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: What currency is used in the place that has a position title of the Acting Prime Minister of Ukraine? 
Knowledge Triplets: Acting Prime Minister of Ukraine, common.topic.notable_for, g.1q61cp82g
m.0qnmxl5, dataworld.gardening_hint.last_referenced_by, Ukrainian hryvnia
m.0h7zb8q, measurement_unit.dated_money_value.currency, Ukrainian hryvnia
m.0_rs8f8, government.government_position_held.jurisdiction_of_office, Ukraine
m.0_g0wpm, government.government_position_held.basic_title, Acting Prime Minister
Government Office or Title, freebase.type_profile.strict_included_types, Topic
Government Office or Title, freebase.type_profile.strict_included_types, Non-Agent
hryvnia.noun.01, base.wordnet.synset.equivalent_topic, Ukrainian hryvnia
Government Office or Title, type.type.expected_by, Office, Position, or Title
Office, position, or title, rdf-schema#range, Government Office or Title
Government Office or Title, type.type.properties, Category
m.02hr7rp, dataworld.gardening_hint.replaced_by, Ukrainian hryvnia
Government Office or Title, type.type.properties, Office Holders
Government Office or Title, type.type.properties, Governmental body (if any)
m.0_rs8f8, government.government_position_held.basic_title, Acting Prime Minister
Government Office or Title, freebase.type_profile.published, Published
Acting Prime Minister of Ukraine, common.topic.notable_types, Government Office or Title
Office, position, or title, type.property.expected_type, Government Office or Title
Government Office or Title, type.type.expected_by, Government positions
Office, position, or title, type.property.reverse_property, Office Holders
Government Office or Title, freebase.type_profile.strict_included_types, Abstract
Sergij Arbuzov, people.person.nationality, Ukraine
Government Office or Title, type.type.expected_by, Offices
Sergij Arbuzov, government.politician.government_positions_held, m.0_g0wpm
Government Office or Title, freebase.type_profile.kind, Definition
Ukraine, location.country.currency_used, Ukrainian hryvnia
m.0h7bcgh, measurement_unit.dated_money_value.currency, Ukrainian hryvnia
Ukrainian hryvnia, finance.currency.currency_code, UAH
Government Office or Title, freebase.type_hints.included_types, Topic
Government Office or Title, type.type.domain, Government
Acting Prime Minister of Ukraine, government.government_office_or_title.office_holders, m.0_rs8f8
m.0h81g1y, measurement_unit.dated_money_value.currency, Ukrainian hryvnia
Topic, freebase.type_profile.published, Published
m.0y882kt, measurement_unit.dated_money_value.currency, Ukrainian hryvnia
m.0_g0wpm, government.government_position_held.office_position_or_title, Acting Prime Minister of Ukraine
Ukrainian hryvnia, user.avh.default_domain.ellerdale_topic.ellerdale_id, 0081-3450
Oleksandr Turchynov, people.person.nationality, Ukraine
Acting Prime Minister of Ukraine, government.government_office_or_title.office_holders, m.0_g0wpm
m.0_g0wpm, government.government_position_held.jurisdiction_of_office, Ukraine
Ukraine, government.governmental_jurisdiction.governing_officials, m.0_rs8f8
m.0y882gy, measurement_unit.dated_money_value.currency, Ukrainian hryvnia
m.0_g0wpm, government.government_position_held.jurisdiction_of_office, Ukraine
m.0_rs8f8, government.government_position_held.office_position_or_title, Acting Prime Minister of Ukraine
Office, position, or title, owl#inverseOf, Office Holders
m.0_g0wpm, government.government_position_held.office_holder, Sergij Arbuzov
Government Office or Title, type.type.expected_by, Offices/Positions Within the Body
Ukrainian hryvnia, finance.currency.countries_used, Ukraine
Ukraine, government.governmental_jurisdiction.governing_officials, m.0_g0wpm
Ukraine, location.country.currency_used, Ukrainian hryvnia
Acting Prime Minister of Ukraine, government.government_office_or_title.office_holders, m.0_g0wpm
m.0_rs8f8, government.government_position_held.office_holder, Oleksandr Turchynov
Government Office or Title, type.type.expected_by, Office
Government Office or Title, type.type.properties, Jurisdiction
Oleksandr Turchynov, government.politician.government_positions_held, m.0_rs8f8
Government Office or Title, type.type.expected_by, Office, position, or title
Government Office or Title, common.topic.article, m.02xlj1v
Government Office or Title, type.type.expected_by, Title of Chief Executive

Answer: Ukrainian hryvnia