user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: In the country which is led by the Prime Minister of South Korea, what form of government is used? 
Knowledge Triplets: Unitary state, government.form_of_government.countries, Abkhazia
Rwanda, location.country.form_of_government, Presidential system
Ghana, location.country.form_of_government, Presidential system
Han Myeong-sook, government.politician.government_positions_held, m.0j5hrl1
Presidential system, government.form_of_government.countries, Azerbaijan
Myanmar, location.country.form_of_government, Presidential system
France, location.country.form_of_government, Constitutional republic
Presidential system, government.form_of_government.countries, Congo
Constitutional republic, government.form_of_government.countries, Taiwan
m.010gh2rr, government.government_position_held.basic_title, Prime minister
Tajikistan, location.country.form_of_government, Unitary state
Constitutional republic, government.form_of_government.countries, Yemen
m.0j5hrl1, government.government_position_held.office_holder, Han Myeong-sook
Prime minister, common.topic.image, Stephen Harper
m.010gfmkm, government.government_position_held.jurisdiction_of_office, South Korea
Transnistria, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Syria
m.010gfm9n, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Ghana, location.country.form_of_government, Constitutional republic
m.010gfmd0, government.government_position_held.jurisdiction_of_office, South Korea
Sweden, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Sudan
Constitutional republic, government.form_of_government.countries, American Samoa
Presidential system, government.form_of_government.countries, Armenia
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gfmg8
Constitutional republic, government.form_of_government.countries, Republic of Ireland
Presidential system, government.form_of_government.countries, Cyprus
Brunei, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Romania
Presidential system, government.form_of_government.countries, Republic of Afghanistan
Unitary state, government.form_of_government.countries, Malawi
Italy, location.country.form_of_government, Unitary state
KevinRuddZoom, common.image.appears_in_topic_gallery, Prime minister
Prime minister, common.topic.webpage, m.0b45zhs
Second Polish Republic, location.country.form_of_government, Presidential system
Venezuela, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, El Salvador
Presidential system, government.form_of_government.countries, Panama
Presidential system, government.form_of_government.countries, Liberia
United States of America, location.country.form_of_government, Presidential system
Republic of Texas, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Seychelles
Greece, location.country.form_of_government, Constitutional republic
Presidential system, government.form_of_government.countries, Mexico
Presidential system, government.form_of_government.countries, Chad
Unitary state, government.form_of_government.countries, Cuba
Constitutional republic, government.form_of_government.countries, Mozambique
Norway, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Samoa
Indonesia, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Kingdom of Italy
Turkmenistan, location.country.form_of_government, Presidential system
Gabon, location.country.form_of_government, Presidential system
Kim Hwang-sik, government.politician.government_positions_held, m.0j5wc8b
Unitary state, government.form_of_government.countries, Sierra Leone
Angola, location.country.form_of_government, Presidential system
Nagorno-Karabakh Republic, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Costa Rica
South Korea, government.governmental_jurisdiction.governing_officials, m.010gfmd0
Unitary state, government.form_of_government.countries, Kuwait
South Korea, government.governmental_jurisdiction.governing_officials, m.010gflx_
m.010gfm9n, government.government_position_held.office_holder, Han Seung-soo
Unitary state, government.form_of_government.countries, Guatemala
Unitary state, government.form_of_government.countries, Palau
Unitary state, government.form_of_government.countries, Bhutan
m.0j5hrl1, government.government_position_held.jurisdiction_of_office, South Korea
Zambia, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Marshall Islands
South Korea, location.country.form_of_government, Constitutional republic
South Korea, government.governmental_jurisdiction.governing_officials, m.010gfmg8
Presidential system, government.form_of_government.countries, Gambia
Bonaire, location.country.form_of_government, Unitary state
m.010gh2rr, government.government_position_held.jurisdiction_of_office, South Korea
Syria, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Palau
Gambia, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, France
Presidential system, government.form_of_government.countries, Bolivia
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gfmd0
Myanmar, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Italy
Constitutional republic, government.form_of_government.countries, Myanmar
Spain, location.country.form_of_government, Unitary state
Argentina, location.country.form_of_government, Constitutional republic
Goh Kun, people.person.nationality, South Korea
Constitutional republic, government.form_of_government.countries, South Africa
Yemen, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, Guatemala
Prime minister, common.topic.webpage, m.09xpqqg
m.0r5k59b, government.government_position_held.jurisdiction_of_office, South Korea
Presidential system, government.form_of_government.countries, Zambia
m.0j5hrl1, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Constitutional republic, government.form_of_government.countries, Martinique
m.010gflx_, government.government_position_held.jurisdiction_of_office, South Korea
m.010gfmmz, government.government_position_held.jurisdiction_of_office, South Korea
Unitary state, government.form_of_government.countries, Turkey
Unitary state, government.form_of_government.countries, Morocco
Unitary state, government.form_of_government.countries, Haiti
m.010gh2rr, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Presidential system, government.form_of_government.countries, Republic of Texas
Constitutional republic, government.form_of_government.countries, Azerbaijan
Panama, location.country.form_of_government, Presidential system
m.0j5wc8b, government.government_position_held.office_holder, Kim Hwang-sik
m.010gfmd0, government.government_position_held.basic_title, Prime minister
m.0j5wc8b, government.government_position_held.jurisdiction_of_office, South Korea
Turkey, location.country.form_of_government, Unitary state
Han Myeong-sook, people.person.nationality, South Korea
Chechen Republic of Ichkeria, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Solomon Islands
Constitutional republic, government.form_of_government.countries, Ghana
Presidential system, government.form_of_government.countries, Second Polish Republic
Presidential system, government.form_of_government.countries, Republic of the Congo
India, location.country.form_of_government, Constitutional republic
Constitutional republic, government.form_of_government.countries, Venezuela
Nicaragua, location.country.form_of_government, Presidential system
Prime minister, common.topic.notable_types, Government office category
Presidential system, government.form_of_government.countries, Seychelles
Netherlands, location.country.form_of_government, Unitary state
Constitutional republic, government.form_of_government.countries, Philippines
Constitutional republic, government.form_of_government.countries, Costa Rica
Unitary state, government.form_of_government.countries, Saudi Arabia
Unitary state, government.form_of_government.countries, Colombia
Presidential system, government.form_of_government.countries, Ivory Coast
m.0h3_vcw, common.webpage.topic, Prime Minister of South Korea
Marshall Islands, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, South Korea
Unitary state, government.form_of_government.countries, New Zealand
m.0j5hrl1, government.government_position_held.basic_title, Prime minister
Lee Hae-chan, government.politician.government_positions_held, m.010gfmg8
Unitary state, government.form_of_government.countries, Tunisia
Prime Minister of South Korea, common.topic.notable_types, Government Office or Title
Argentina, location.country.form_of_government, Presidential system
Iran, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, First Spanish Republic
Uganda, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Uruguay
m.0r5k59b, government.government_position_held.basic_title, Prime minister
Constitutional republic, government.form_of_government.countries, Chile
Unitary state, government.form_of_government.countries, Lebanon
Presidential system, government.form_of_government.countries, Uganda
Sri Lanka, location.country.form_of_government, Constitutional republic
Colombia, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Puntland
Constitutional republic, government.form_of_government.countries, Liberia
Presidential system, government.form_of_government.countries, Confederate States of America
Presidential system, government.form_of_government.countries, Kenya
Azerbaijan, location.country.form_of_government, Presidential system
m.0r5k59b, government.government_position_held.office_position_or_title, Prime Minister of South Korea
El Salvador, location.country.form_of_government, Constitutional republic
Unitary state, government.form_of_government.countries, Netherlands
Constitutional republic, government.form_of_government.countries, Peru
Singapore, location.country.form_of_government, Constitutional republic
Uruguay, location.country.form_of_government, Constitutional republic
France, location.country.form_of_government, Unitary state
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.0j5hrl1
Chung Hong-won, people.person.nationality, South Korea
Republic of Hawaii, location.country.form_of_government, Presidential system
Brazil, location.country.form_of_government, Presidential system
Kazakhstan, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Myanmar
Constitutional republic, government.form_of_government.countries, Ukraine
Bangladesh, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Chile
m.010gfm9n, government.government_position_held.jurisdiction_of_office, South Korea
Liechtenstein, location.country.form_of_government, Unitary state
m.0r5k59b, government.government_position_held.office_holder, Chung Hong-won
Unitary state, government.form_of_government.countries, Vanuatu
Mozambique, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Guinea
m.0b45zhs, common.webpage.topic, Prime minister
Constitutional republic, government.form_of_government.countries, United States of America
Unitary state, government.form_of_government.countries, Cyprus
m.010gfmkm, government.government_position_held.basic_title, Prime minister
Presidential system, government.form_of_government.countries, Malawi
United States of America, location.country.form_of_government, Constitutional republic
m.010gfmg8, government.government_position_held.jurisdiction_of_office, South Korea
Unitary state, government.form_of_government.countries, Andorra
m.0j5wc8b, government.government_position_held.basic_title, Prime minister
Constitutional republic, government.form_of_government.countries, Sierra Leone
Prime minister, base.schemastaging.context_name.pronunciation, g.125_khp8z
Lee Han-dong, government.politician.government_positions_held, m.010gh2rr
Ivory Coast, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Papua New Guinea
m.010gfmg8, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Presidential system, government.form_of_government.countries, Nicaragua
Unitary state, government.form_of_government.countries, Brunei
Presidential system, government.form_of_government.countries, Eritrea
Taiwan, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Taiwan
Presidential system, government.form_of_government.countries, Tanzania
Constitutional republic, government.form_of_government.countries, Greece
Prime minister, common.topic.image, KevinRuddZoom
Liberia, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Swaziland
Presidential system, government.form_of_government.countries, Belarus
Presidential system, government.form_of_government.countries, Kyrgyzstan
Prime minister, base.ontologies.ontology_instance.equivalent_instances, m.09klh01
Stephen Harper, common.image.appears_in_topic_gallery, Prime minister
Mexico, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Tajikistan
Northern Mariana Islands, location.country.form_of_government, Presidential system
Han Seung-soo, common.image.appears_in_topic_gallery, Prime Minister of South Korea
Unitary state, government.form_of_government.countries, Singapore
Unitary state, government.form_of_government.countries, Chile
Chung Un-chan, people.person.nationality, South Korea
Unitary state, government.form_of_government.countries, Denmark
Maldives, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Gabon
Constitutional republic, government.form_of_government.countries, Somaliland
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gfmkm
Brazil, location.country.form_of_government, Constitutional republic
Iran, location.country.form_of_government, Unitary state
Germany, location.country.form_of_government, Constitutional republic
Goh Kun, government.politician.government_positions_held, m.010gfmkm
Presidential system, government.form_of_government.countries, Angola
Presidential system, government.form_of_government.countries, Chechen Republic of Ichkeria
Presidential system, government.form_of_government.countries, Kazakhstan
Guam, location.country.form_of_government, Presidential system
Chile, location.country.form_of_government, Presidential system
Prime minister, base.onephylogeny.type_of_thing.things_of_this_type, Pierre Trudeau
Prime Minister of South Korea, common.topic.image, Han Seung-soo
Unitary state, government.form_of_government.countries, Angola
Prime minister, common.topic.article, m.060bz
Tanzania, location.country.form_of_government, Constitutional republic
Constitutional republic, government.form_of_government.countries, Tanzania
Unitary state, government.form_of_government.countries, Peru
Unitary state, government.form_of_government.countries, Paraguay
Constitutional republic, government.form_of_government.countries, Germany
Presidential system, government.form_of_government.countries, Republic of Hawaii
Presidential system, government.form_of_government.countries, Nagorno-Karabakh Republic
Cuba, location.country.form_of_government, Unitary state
New Zealand, location.country.form_of_government, Unitary state
South Korea, government.form_of_government.countries, Unitary state
Constitutional republic, government.form_of_government.countries, Uruguay
Constitutional republic, government.form_of_government.countries, Iceland
Bhutan, location.country.form_of_government, Unitary state
m.010gfmkm, government.government_position_held.office_position_or_title, Prime Minister of South Korea
m.010gflx_, government.government_position_held.office_holder, Chung Un-chan
Prime Minister of South Korea, common.topic.notable_for, g.1255whgjs
Unitary state, government.form_of_government.countries, Guyana
m.010gfmd0, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Unitary state, government.form_of_government.countries, Cambodia
Belarus, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Bahamas
Peru, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Luxembourg
Presidential system, government.form_of_government.countries, Mozambique
Constitutional republic, government.form_of_government.countries, Singapore
m.0j5wc8b, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Guinea, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Yemen
Unitary state, government.form_of_government.countries, Far Eastern Republic
Unitary state, government.form_of_government.countries, Liechtenstein
South Korea, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, United Kingdom
Presidential system, government.form_of_government.countries, South Korea
Republic of Afghanistan, location.country.form_of_government, Presidential system
Yemen, location.country.form_of_government, Constitutional republic
Unitary state, government.form_of_government.countries, Iran
South Korea, location.country.form_of_government, Constitutional republic
m.010gfmmz, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Presidential system, government.form_of_government.countries, Guatemala
Presidential system, government.form_of_government.countries, Philippines
Italian Social Republic, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Yemen
Unitary state, government.form_of_government.countries, South Korea
Tanzania, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Timor-Leste
Constitutional republic, government.form_of_government.countries, Ecuador
Namibia, location.country.form_of_government, Presidential system
American Samoa, location.country.form_of_government, Constitutional republic
Unitary state, government.form_of_government.countries, Martinique
Unitary state, government.form_of_government.countries, Tajikistan
Italy, location.country.form_of_government, Constitutional republic
Unitary state, government.form_of_government.countries, Sri Lanka
Indonesia, location.country.form_of_government, Constitutional republic
Presidential system, government.form_of_government.countries, Nigeria
Kazakhstan, location.country.form_of_government, Presidential system
Sudan, location.country.form_of_government, Presidential system
Romania, location.country.form_of_government, Unitary state
Yemen, location.country.form_of_government, Unitary state
Singapore, location.country.form_of_government, Unitary state
Uruguay, location.country.form_of_government, Presidential system
Bolivia, location.country.form_of_government, Unitary state
Palau, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Dominican Republic
Presidential system, government.form_of_government.countries, Iran
Unitary state, government.form_of_government.countries, Mozambique
Unitary state, government.form_of_government.countries, Thailand
Seychelles, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, Italy
Russia, location.country.form_of_government, Constitutional republic
Constitutional republic, government.form_of_government.countries, Portugal
Unitary state, government.form_of_government.countries, Sweden
Presidential system, government.form_of_government.countries, El Salvador
Uruguay, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Northern Mariana Islands
Unitary state, government.form_of_government.countries, United Arab Republic
French Second Republic, location.country.form_of_government, Presidential system
Sierra Leone, location.country.form_of_government, Presidential system
Guatemala, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, Panama
Presidential system, government.form_of_government.countries, Maldives
Unitary state, government.form_of_government.countries, Panama
Unitary state, government.form_of_government.countries, Lesotho
Unitary state, government.form_of_government.countries, Bonaire
Unitary state, government.form_of_government.countries, Spain
Presidential system, government.form_of_government.countries, Uzbekistan
Chung Hong-won, government.politician.government_positions_held, m.0r5k59b
Unitary state, government.form_of_government.countries, Bangladesh
South Korea, government.governmental_jurisdiction.governing_officials, m.010gfmkm
Presidential system, government.form_of_government.countries, Indonesia
Unitary state, government.form_of_government.countries, Jordan
Taiwan, location.country.form_of_government, Constitutional republic
South Korea, government.governmental_jurisdiction.governing_officials, m.010gh2rr
Kim Hwang-sik, people.person.nationality, South Korea
Presidential system, government.form_of_government.countries, Ecuador
Presidential system, government.form_of_government.countries, Guam
Constitutional republic, government.form_of_government.countries, Brazil
South Korea, government.form_of_government.countries, Presidential system
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.0r5k59b
Mozambique, location.country.form_of_government, Constitutional republic
Han Seung-soo, government.politician.government_positions_held, m.010gfm9n
Unitary state, government.form_of_government.countries, Ghana
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.0j5wc8b
South Korea, government.governmental_jurisdiction.governing_officials, m.0r5k59b
Algeria, location.country.form_of_government, Presidential system
Kyrgyzstan, location.country.form_of_government, Presidential system
South Korea, government.governmental_jurisdiction.governing_officials, m.010gfmmz
South Korea, government.governmental_jurisdiction.governing_officials, m.0j5hrl1
Presidential system, government.form_of_government.countries, Myanmar
Presidential system, government.form_of_government.countries, Brazil
Lee Hae-chan, people.person.nationality, South Korea
Unitary state, government.form_of_government.countries, Nicaragua
Azerbaijan, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Azerbaijan
Presidential system, government.form_of_government.countries, United States of America
Presidential system, government.form_of_government.countries, Rwanda
Presidential system, government.form_of_government.countries, South Sudan
Equatorial Guinea, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Uruguay
Mozambique, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Venezuela
Philippines, location.country.form_of_government, Constitutional republic
Cambodia, location.country.form_of_government, Unitary state
Puntland, location.country.form_of_government, Presidential system
Prime Minister of South Korea, base.schemastaging.context_name.pronunciation, g.125_lcsry
Constitutional republic, government.form_of_government.countries, Argentina
Unitary state, government.form_of_government.countries, Mali
Prime minister, book.book_subject.works, The Prime Minister
Republic of the Congo, location.country.form_of_government, Presidential system
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gfm9n
Han Duck-soo, people.person.nationality, South Korea
Presidential system, government.form_of_government.countries, Federated States of Micronesia
Eritrea, location.country.form_of_government, Presidential system
Palau, location.country.form_of_government, Unitary state
Philippines, location.country.form_of_government, Presidential system
Prime minister, common.topic.notable_for, g.1257bh6nq
Chung Un-chan, government.politician.government_positions_held, m.010gflx_
Kuwait, location.country.form_of_government, Unitary state
Prime Minister of South Korea, common.topic.webpage, m.0h3_vcw
Constitutional republic, government.form_of_government.countries, Paraguay
Guyana, location.country.form_of_government, Unitary state
Costa Rica, location.country.form_of_government, Presidential system
Han Seung-soo, people.person.nationality, South Korea
Far Eastern Republic, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Kazakhstan
South Korea, government.governmental_jurisdiction.governing_officials, m.0j5wc8b
Unitary state, government.form_of_government.countries, Ukraine
Presidential system, government.form_of_government.countries, Equatorial Guinea
Constitutional republic, government.form_of_government.countries, Russia
Unitary state, government.form_of_government.countries, Liberia
Prime Minister of South Korea, government.government_office_or_title.category, Prime minister
Malawi, location.country.form_of_government, Presidential system
m.010gflx_, government.government_position_held.office_position_or_title, Prime Minister of South Korea
Presidential system, government.form_of_government.countries, United Arab Emirates
Constitutional republic, government.form_of_government.countries, France
Armenia, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Chechen Republic of Ichkeria
m.010gh2rr, government.government_position_held.office_holder, Lee Han-dong
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gh2rr
Unitary state, government.form_of_government.countries, Ecuador
Constitutional republic, government.form_of_government.countries, Sri Lanka
Unitary state, government.form_of_government.countries, Trinidad and Tobago
El Salvador, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Democratic Republic of Georgia
Constitutional republic, government.form_of_government.countries, Indonesia
Cyprus, location.country.form_of_government, Presidential system
m.010gfmmz, government.government_position_held.basic_title, Prime minister
Bolivia, location.country.form_of_government, Presidential system
South Sudan, location.country.form_of_government, Presidential system
Ecuador, location.country.form_of_government, Presidential system
Mexico, location.country.form_of_government, Constitutional republic
Constitutional republic, government.form_of_government.countries, Mexico
Unitary state, government.form_of_government.countries, Marshall Islands
Oman, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Costa Rica
Unitary state, government.form_of_government.countries, Rwanda
Presidential system, government.form_of_government.countries, Algeria
South Korea, location.country.form_of_government, Unitary state
Confederate States of America, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Colombia
m.09xpqqg, common.webpage.topic, Prime minister
Ukraine, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Italian Social Republic
Unitary state, government.form_of_government.countries, Oman
Congo, location.country.form_of_government, Presidential system
Constitutional republic, government.form_of_government.countries, Cyprus
Presidential system, government.form_of_government.countries, Turkmenistan
United Kingdom, location.country.form_of_government, Unitary state
Japan, location.country.form_of_government, Unitary state
Myanmar, location.country.form_of_government, Constitutional republic
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gfmmz
Prime minister, common.topic.image, Robert Walpole, the longest serving Prime Minister (1721-1742
Unitary state, government.form_of_government.countries, Georgia
Ukraine, location.country.form_of_government, Constitutional republic
Kenya, location.country.form_of_government, Presidential system
Kim Suk-soo, government.politician.government_positions_held, m.010gfmmz
Tajikistan, location.country.form_of_government, Presidential system
m.010gfmg8, government.government_position_held.basic_title, Prime minister
Unitary state, government.form_of_government.countries, Republic of Ireland
Abkhazia, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Argentina
Saudi Arabia, location.country.form_of_government, Unitary state
Unitary state, government.form_of_government.countries, Equatorial Guinea
Unitary state, government.form_of_government.countries, Madagascar
m.010gflx_, government.government_position_held.basic_title, Prime minister
Presidential system, government.form_of_government.countries, Transnistria
Unitary state, government.form_of_government.countries, Monaco
Presidential system, government.form_of_government.countries, French Second Republic
South Africa, location.country.form_of_government, Constitutional republic
South Korea, government.governmental_jurisdiction.governing_officials, m.010gfm9n
Unitary state, government.form_of_government.countries, Portugal
Prime Minister of South Korea, common.topic.article, m.02vw9x
First Spanish Republic, location.country.form_of_government, Presidential system
The Prime Minister, book.written_work.subjects, Prime minister
Uzbekistan, location.country.form_of_government, Presidential system
Cyprus, location.country.form_of_government, Constitutional republic
Unitary state, government.form_of_government.countries, Philippines
Presidential system, government.form_of_government.countries, Peru
United Arab Republic, location.country.form_of_government, Unitary state
Presidential system, government.form_of_government.countries, Ghana
Robert Walpole, the longest serving Prime Minister (1721-1742, common.image.appears_in_topic_gallery, Prime minister
Philippines, location.country.form_of_government, Unitary state
Thailand, location.country.form_of_government, Unitary state
Prime Minister of South Korea, government.government_office_or_title.office_holders, m.010gflx_
Prime Minister of South Korea, government.government_position_held.office_position_or_title, m.010gfmg8
Presidential system, government.form_of_government.countries, Paraguay
Chad, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Japan
Federated States of Micronesia, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Norway
Constitutional republic, government.form_of_government.countries, Trinidad and Tobago
Constitutional republic, government.form_of_government.countries, Honduras
Azerbaijan, location.country.form_of_government, Constitutional republic
Constitutional republic, government.form_of_government.countries, India
m.09klh01, base.ontologies.ontology_instance_mapping.freebase_topic, Prime minister
m.010gfmg8, government.government_position_held.jurisdiction_of_office, South Korea
Presidential system, government.form_of_government.countries, Sierra Leone
m.010gfm9n, government.government_position_held.basic_title, Prime minister
Constitutional republic, government.form_of_government.countries, Colombia
Paraguay, location.country.form_of_government, Presidential system
Presidential system, government.form_of_government.countries, Namibia
United Arab Emirates, location.country.form_of_government, Presidential system
Unitary state, government.form_of_government.countries, Bolivia
m.010gfmmz, government.government_position_held.office_holder, Kim Suk-soo
Nigeria, location.country.form_of_government, Presidential system

Answer: Presidential system
Unitary state
Constitutional republic