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: Who is the current leader of the country that has Isla de la Jeventud? 
Knowledge Triplets: m.012vl0sx, organization.leadership.organization, Luiz Centenaro
Alexander Martínez, people.person.place_of_birth, Isla de la Juventud
Cuba, book.book_subject.works, My father sings, to my embarrassment
Cuba: A new history, book.written_work.subjects, Cuba
Yoel García, people.person.nationality, Cuba
Isla de la Juventud, location.administrative_division.country, Cuba
Barry Meguiar, common.topic.notable_types, Organization leader
Mozambique, common.topic.notable_types, Country
Greg Green, business.board_member.leader_of, m.010r11r2
m.0116yb__, organization.leadership.person, Sara Myers
m.012dv8pl, organization.leadership.role, President
President, organization.role.leaders, m.011rgzqn
President, organization.role.leaders, m.01281197
m.012sr44f, organization.leadership.role, President
Raisel Iglesias, people.person.nationality, Cuba
Raúl Castro, government.politician.government_positions_held, m.0r9hb4g
Antilles, common.topic.notable_types, Island Group
m.011x1m4k, organization.leadership.role, President
Raúl Castro, people.person.education, m.04m0hy7
President, organization.role.leaders, m.01142cy8
Cuba, base.locations.countries.continent, North America
President, organization.role.leaders, m.011x1m4k
Isla de la Juventud, location.location.nearby_airports, Siguanea Airport
Battle of Pinos, time.event.locations, Isla de la Juventud
m.012dv8px, organization.leadership.person, Sandra Hurlong
John Schott, business.board_member.leader_of, m.01317kmv
President, organization.role.leaders, m.010vy_0c
Cuba, common.topic.webpage, m.0b6s1h7
Henry Miller, business.board_member.leader_of, m.011451lj
m.011rgzqn, organization.leadership.person, David Rolf
Cayo Largo del Sur, geography.island.island_group, Antilles
President, organization.role.leaders, m.01317kmv
First Vice President of Cuba, government.government_office_or_title.office_holders, m.010g7c_y
Canarreos Archipelago, geography.island_group.islands_in_group, Isla de la Juventud
Isla de la Juventud, common.topic.notable_types, Administrative Division
Isla de la Juventud, location.location.contains, Nueva Gerona
m.011cn57h, organization.leadership.person, Julio Grondona
m.011p3r_p, organization.leadership.person, Niraj Goel
Raúl Castro, government.politician.government_positions_held, m.03mr3dn
m.0129f72l, organization.leadership.role, President
Isla de la Juventud, location.location.people_born_here, g.11b7_m3ccj
m.011xd0mq, organization.leadership.role, President
President of the United Federation, common.topic.notable_for, g.125c1pgqy
Cuba: The Morning After - Confronting Castro's Legacy, book.written_work.subjects, Cuba
Isla de la Juventud, geography.island.island_group, Greater Antilles
Greater Antilles, book.book_subject.works, An Island Called Home
Ronald Reagan, people.person.nationality, United States of America
m.011vg5nd, organization.leadership.person, Edward Burke
m.011qjlzn, organization.leadership.person, Georgia Benkart
Isla de la Juventud Location, common.image.appears_in_topic_gallery, Battle of Pinos
President, organization.role.leaders, m.012sr44f
Isla de la Juventud, location.location.containedby, Isla de la Juventud
President, common.topic.webpage, m.09xm5ms
Isla de la Juventud, sports.sports_team.location, Nueva Gerona
Cuba, common.topic.webpage, m.09y651j
Cuba, freebase.valuenotation.is_reviewed, Date dissolved
President of the Presidency of Religious Affairs of Turkey, religion.religious_leadership_title.leaders, m.0vbcgc9
Charles Alan Fyffe, business.board_member.leader_of, m.0115g4sz
Cuba, organization.organization_member.member_of, m.04cn1mx
Siguanea Airport, aviation.airport.serves, Isla de la Juventud
Isla de la Juventud, common.topic.notable_for, g.1q3sf4y25
m.010g6q82, government.government_position_held.office_position_or_title, President of Cuba
m.010r11r2, organization.leadership.person, Greg Green
m.011451lj, organization.leadership.role, President
Jan Hanses, business.board_member.leader_of, m.011c2n9v
Cuba, location.country.form_of_government, Semi-presidential system
Cuba, common.topic.webpage, m.09x42vd
Cuba, common.topic.webpage, m.09xw2kk
Miguel Ángel Sánchez, people.person.nationality, Cuba
Cuba, book.book_subject.works, Palace of the White Skunks
Cuba, book.book_subject.works, Havana
Isla de la Juventud, location.location.contains, Isla de la Juventud
Isla de la Juventud, location.statistical_region.population, g.11bc87zp7p
Julio Grondona, common.topic.notable_types, Organization leader
m.01317kmv, organization.leadership.role, President
President, organization.role.leaders, m.011xd0mq
President, organization.role.leaders, m.011cn57h
Luca Cordero di Montezemolo, common.topic.notable_types, Organization leader
Council of State, government.governmental_body.offices_positions, President of Cuba
Florence King, people.person.nationality, United States of America
Isla de la Juventud, location.location.people_born_here, Alexander Martínez
President of Cuba, government.government_office_or_title.office_holders, m.03mr3dn
Cuba, organization.organization_member.member_of, m.05988k8
Isla de la Juventud, location.location.contains, Santa Fe, Isle of Youth
After Fidel: Raul Castro and the Future of Cuba's Revolution, book.written_work.subjects, Raúl Castro
Cuba, book.book_subject.works, An Island Called Home
Isla de la Juventud, location.location.events, Battle of Pinos
Luisa Diogo, government.politician.government_positions_held, m.04dm9pg
m.040qb5s, government.political_party_tenure.politician, Raúl Castro
First Vice President of Cuba, government.government_office_or_title.governmental_body_if_any, Council of State
m.011kx64_, organization.leadership.person, Achmet Chatziosman
Jessie Lichauco, people.person.place_of_birth, Isla de la Juventud
Cuba, location.country.capital, Havana
m.012vl0sx, organization.leadership.role, President
David Rolf, business.board_member.leader_of, m.011rgzqn
President, organization.role.leaders, m.011clphx
Cuba, organization.organization_member.member_of, m.05kyh5_
Cuba, book.book_subject.works, The Man with the Golden Gun
Cuba, common.topic.webpage, m.09ynftq
Isla de la Juventud, base.aareas.schema.administrative_area.administrative_area_type, Cuban province
After Fidel: Raul Castro and the Future of Cuba's Revolution, book.written_work.subjects, Cuba
President of Cuba, government.government_office_or_title.office_holders, m.010g6q82
Frank Cintamani, common.topic.notable_types, Organization leader
President of the United Federation, common.topic.article, m.0dcrpbl
Raúl Castro, people.person.ethnicity, Cubans
Cuba, common.topic.webpage, m.0b49gxq
President, organization.role.leaders, m.012nxsv7
Santa Fe, Isle of Youth, location.location.containedby, Isla de la Juventud
Cuba, common.topic.image, Flag of Cuba
First Vice President of Cuba, government.government_office_or_title.office_holders, m.04st17z
President, organization.role.leaders, m.011c2n9v
m.0115g4sz, organization.leadership.person, Charles Alan Fyffe
m.0114pzps, organization.leadership.role, President
m.0129f72l, organization.leadership.person, Rudolf Meister
Greater Antilles, common.topic.notable_types, Island Group
Isla de la Juventud, location.administrative_division.first_level_division_of, Cuba
Greater Antilles, book.book_subject.works, Cuba in War Time
m.011v50n9, organization.leadership.role, President
Cuba, organization.organization_member.member_of, m.0cb3mwp
Cuba, book.book_subject.works, Cuban Kids
m.0105whjl, organization.leadership.person, Manoj Gupta
Argentine Football Association, organization.organization.leadership, m.011cn57h
Isla de la Juventud, base.aareas.schema.administrative_area.administrative_parent, Cuba
Cuba, book.book_subject.works, After Fidel: Raul Castro and the Future of Cuba's Revolution
José Lázaro Vázquez Xene, people.person.profession, Artist
m.010vz03z, organization.leadership.person, Jack Greenwood
Cuba, book.book_subject.works, Farewell to the Sea
President of Cuba, government.government_office_or_title.office_holders, m.078ftf0
After Fidel: Raul Castro and the Future of Cuba's Revolution, book.written_work.subjects, Cuban Revolution
Feliks Młynarski, business.board_member.leader_of, m.011x1m4k
President, organization.role.leaders, m.012dv8px
Cuba, book.book_subject.works, Our Man in Havana
Luisa Diogo, government.politician.government_positions_held, m.04dm9x3
Manoj Gupta, common.topic.notable_types, Organization leader
m.0116yb__, organization.leadership.role, President
Taylor Rhodes, common.topic.notable_types, Organization leader
Dariel Ebanks - Pol, people.person.place_of_birth, Isla de la Juventud
Cuba, common.topic.webpage, m.0b47jz3
m.012sr44f, organization.leadership.person, Claudio Haddad
Ernst Thälmann Island, geography.island.island_group, Greater Antilles
Isla de la Juventud, sports.sports_team.arena_stadium, Estadio Cristóbal Labra
Ronald D. Moore, people.person.nationality, United States of America
m.011nqhd1, organization.leadership.person, Edward Theodore Newell
Cuba, location.country.first_level_divisions, Isla de la Juventud
Cuba and Angola: Fighting for Africa's Freedom and Our Own, book.written_work.author, Raúl Castro
Cuba, government.governmental_jurisdiction.government_positions, First Vice President of Cuba
m.0b47jz3, common.webpage.topic, Cuba
m.011clphx, organization.leadership.person, Steve Pettit
Isla de la Juventud, common.topic.notable_types, Geographical Feature
President, organization.role.leaders, m.011p3r_p
David M. Graham, common.topic.notable_types, Organization leader
m.01317kmv, organization.leadership.person, John Schott
m.0j1c0lp, common.webpage.topic, Cuba
Cuba, book.book_subject.works, The vulnerable observer
Cuba, book.book_subject.works, Guantanamo
Antilles, location.location.contains, Greater Antilles
Isla de la Juventud, location.location.geolocation, m.02_jzvm
Luisa Diogo, people.person.profession, Politician
First Vice President of Cuba, government.government_office_or_title.jurisdiction, Cuba
m.011cn57h, organization.leadership.organization, Argentine Football Association
Raúl Castro, government.politician.party, m.012kzldb
Isla de la Juventud, common.topic.article, m.01rj47
Vladimir Mažuranić, people.person.profession, Politician
m.012nxsv7, organization.leadership.person, Zach Morrison
m.011qyy9l, organization.leadership.person, Ray Tatko
Greater Antilles, location.location.contains, Cuba
Cuba, book.book_subject.works, Cuba Libre
Miguel Ángel Sánchez, people.person.gender, Male
Cuba, book.book_subject.works, Live by the sword
Isla de la Juventud, location.location.people_born_here, Dariel Ebanks - Pol
m.010vy_0c, organization.leadership.person, Nick Rosa
m.010x4k8d, organization.leadership.person, Kwesi Nyantakyi
Cuba, book.book_subject.works, Cuba: The Morning After - Confronting Castro's Legacy
Greater Antilles, book.book_subject.works, In Cuba
m.011rd41j, organization.leadership.role, President
m.011rd41j, organization.leadership.person, Barbara Tate
Lina Ruz González, people.person.children, Raúl Castro
m.011rgzqn, organization.leadership.role, President
m.0r8vsll, organization.leadership.person, Jeff Idelson
m.011x1m4k, organization.leadership.person, Feliks Młynarski
Cuba, book.book_subject.works, Essence of Decision
Yusmari Mengana, people.person.place_of_birth, Isla de la Juventud
Raúl Castro, government.politician.government_positions_held, m.010r0d92
Isla de la Juventud, location.location.containedby, Cuba
m.011v50n9, organization.leadership.person, Taylor Rhodes
Edward Burke, business.board_member.leader_of, m.011vg5nd
m.09ynftq, common.webpage.topic, Cuba
m.01142cy8, organization.leadership.role, President
President, common.topic.webpage, m.09y71d4
Mark Wang, business.board_member.leader_of, m.0n55kn3
President, organization.role.leaders, m.011nqhd1
President, organization.role.leaders, m.011v50n9
Isla de la Juventud, location.location.people_born_here, Jessie Lichauco
Shanoj Ajayan, business.board_member.leader_of, m.012hvzcf
President, organization.role.leaders, m.011rd41j
Cuba, book.book_subject.works, Beyond Slavery
President of Cuba, government.government_office_or_title.jurisdiction, Cuba
Sandra Hurlong, business.board_member.leader_of, m.012dv8px
Cuba, book.book_subject.works, Bacardi and the Long Fight for Cuba: The Biography of a Cause
Battle of Pinos, common.topic.image, Isla de la Juventud Location
Niraj Goel, business.board_member.leader_of, m.011p3r_p
m.011xd0mq, organization.leadership.person, James Morrow
Edward Theodore Newell, common.topic.notable_types, Organization leader
President, organization.role.leaders, m.011mdkxn
Isla de la Juventud, location.location.people_born_here, Yusmari Mengana
Manoj Gupta, business.board_member.leader_of, m.0105whjl
Greater Antilles, geography.island_group.islands_in_group, Isla de la Juventud
President, organization.role.leaders, m.010r87tv
m.010r11r2, organization.leadership.role, President
Hassan Yussuff, business.board_member.leader_of, m.011cn40s
m.011vg5nd, organization.leadership.role, President
President, organization.role.leaders, m.011kx64_
President, common.topic.webpage, m.09wsrb0
m.011mdkxn, organization.leadership.role, President
m.01281197, organization.leadership.role, President
m.0b49gxq, common.webpage.topic, Cuba
Raisel Iglesias, people.person.place_of_birth, Isla de la Juventud
m.0b6s1h7, common.webpage.topic, Cuba
Cuba, government.governmental_jurisdiction.agencies, Dirección General de Inteligencia
Cuban presidential election, 1928, government.election.office, President of Cuba
Isla de la Juventud, location.location.containedby, Cuba
Nick Rosa, business.board_member.leader_of, m.010vy_0c
President, organization.role.leaders, m.0r8vsll
Cuba, base.aareas.schema.administrative_area.administrative_children, Isla de la Juventud
Miguel Ángel Sánchez, people.person.place_of_birth, Nueva Gerona
Julio Grondona, business.board_member.leader_of, m.011cn57h
Barbara Tate, business.board_member.leader_of, m.011rd41j
President, organization.role.leaders, m.0129f72l
President of Cuba, government.government_office_or_title.governmental_body_if_any, Council of State
Cuba, organization.organization_founder.organizations_founded, United Nations
Cuba, book.book_subject.works, Cuba journal
Sara Myers, business.board_member.leader_of, m.0116yb__
m.09x42vd, common.webpage.topic, Cuba
President of the United Federation, common.topic.image, president.png
Cuba, common.topic.subject_of, Ensip
Taylor Rhodes, business.board_member.leader_of, m.011v50n9
President, organization.role.leaders, m.011cn40s
m.0115g4sz, organization.leadership.role, President
m.03mr3dn, government.government_position_held.office_position_or_title, President of Cuba
Council of State, government.governmental_body.offices_positions, First Vice President of Cuba
President, organization.role.leaders, m.0110_fhv
Cuba, book.book_subject.works, Cuba: A new history
m.011cn40s, organization.leadership.role, President
Isla de la Juventud, geography.island.island_group, Canarreos Archipelago
Cuba, common.topic.webpage, m.0j1c0lp
In Cuba, book.written_work.subjects, Greater Antilles
m.011byq3j, organization.leadership.role, President
Cuba, book.book_subject.works, Finding Mañana: A Memoir of a Cuban Exodus
m.03mr3c5, government.government_position_held.office_position_or_title, President of Cuba
President, organization.role.leaders, m.0114pzps
Alessandro Zucchetti, business.board_member.leader_of, m.011mdkxn
Cuba, common.topic.notable_types, Country
President, organization.role.leaders, m.010qvq5k
Niraj Goel, common.topic.notable_types, Organization leader
m.011qjlzn, organization.leadership.role, President
President, organization.role.leaders, m.011qyy9l
Cuba, common.topic.webpage, m.09x049g
Ramon Llull, people.person.nationality, Spain
Isla de la Juventud, location.location.people_born_here, Raisel Iglesias
President, organization.role.leaders, m.0n55kn3
m.0qh3t2p, location.administrative_division_capital_relationship.administrative_division, Isla de la Juventud
President of the United Federation, fictional_universe.fictional_character.rank, President
Cayo Largo del Sur, geography.island.island_group, Greater Antilles
President of the United Federation, common.topic.notable_types, Comic Book Character
President, organization.role.leaders, m.0116yb__
President, government.government_position_held.basic_title, m.03mr3dn
m.0hj2q2k, organization.leadership.person, David Rew
In Cuba, book.written_work.subjects, Cuba
José Lázaro Vázquez Xene, people.person.nationality, Cuba
David Rew, business.board_member.leader_of, m.0hj2q2k
Krishnan Suthanthiran, business.board_member.leader_of, m.0114pzps
Nueva Gerona, sports.sports_team_location.teams, Isla de la Juventud
Claudio Haddad, business.board_member.leader_of, m.012sr44f
President, organization.role.leaders, m.011fffbz
Isla de la Juventud, location.location.containedby, Canarreos Archipelago
m.01142cy8, organization.leadership.person, Vladimir Mažuranić
Vladimir Mažuranić, business.board_member.leader_of, m.01142cy8
m.010r87tv, organization.leadership.person, Greg Corradetti
President, organization.role.leaders, m.0105whjl
Cuba, book.book_subject.works, Che Guervara and the FBI
President, organization.role.leaders, m.012dv8pl
Cuba, book.book_subject.works, Return to Havana
President, organization.role.leaders, m.012hvzcf
m.0r9h970, government.government_position_held.office_position_or_title, President of Cuba
Luisa Diogo, people.person.nationality, Mozambique
m.012vl0sx, organization.leadership.person, Luiz Centenaro
Greater Antilles, geography.island_group.islands_in_group, Ernst Thälmann Island
m.011fffbz, organization.leadership.person, Herbert Brucker
m.03mr3dn, government.government_position_held.office_holder, Raúl Castro
m.09xw2kk, common.webpage.topic, Cuba
Hubert Humphrey, people.person.quotations, The President is the people's lobbyist.
Yoelmis Hernandez Paumier, people.person.place_of_birth, Isla de la Juventud
Cuban Revolution, base.culturalevent.event.entity_involved, Raúl Castro
Luisa Diogo, government.politician.government_positions_held, m.04dm9sd
President of the United Federation, fictional_universe.fictional_character.species, Homo sapiens
m.011cn57h, organization.leadership.role, President
Cuba, book.book_subject.works, The Cuba project
Nick Rosa, common.topic.notable_types, Organization leader
President, organization.role.leaders, m.010r11r2
Isla de la Juventud, common.topic.image, Isla de la Juventud Location
Edward Burke, common.topic.notable_types, Organization leader
m.011cn40s, organization.leadership.person, Hassan Yussuff
Jeff Idelson, business.board_member.leader_of, m.0r8vsll
President, organization.role.leaders, m.010x4k8d
Cuba, book.book_subject.works, Fidel Castro
Cuba, location.country.administrative_divisions, Isla de la Juventud
President, organization.role.leaders, m.0115g4sz
President of the Presidency of Religious Affairs of Turkey, common.topic.notable_for, g.11b75tcgm_
m.0114pzps, organization.leadership.person, Krishnan Suthanthiran
m.011451lj, organization.leadership.person, Henry Miller
Raúl Castro, government.politician.government_positions_held, m.0r9h970
Cuba, book.book_subject.works, Topaz
Isla de la Juventud Location, common.image.appears_in_topic_gallery, Isla de la Juventud
Cuba, book.book_subject.works, In Cuba
m.012hw29r, organization.leadership.role, President
Cuba, book.book_subject.works, King Bongo
Cuba, book.book_subject.works, Wake of the Perdido Star
Alessandro Zucchetti, common.topic.notable_types, Organization leader
Yoelmis Hernandez Paumier, people.person.nationality, Cuba
Cuba, book.book_subject.works, Persona Non Grata
Dirección General de Inteligencia, government.government_agency.jurisdiction, Cuba
Cuban Revolution, book.book_subject.works, After Fidel: Raul Castro and the Future of Cuba's Revolution
Greater Antilles, location.location.containedby, Antilles
James Morrow, business.board_member.leader_of, m.011xd0mq
Cuba, book.book_subject.works, Telex from Cuba
In Cuba, book.written_work.subjects, Latin America
Isla de la Juventud, location.administrative_division.capital, m.0qh3t2p
m.09x049g, common.webpage.topic, Cuba
President, organization.role.leaders, m.010vyf9y
m.011c2n9v, organization.leadership.person, Jan Hanses
President of Cuba, government.government_office_or_title.category, President
Raúl Castro, government.politician.government_positions_held, m.04st17z
President, organization.role.leaders, m.011byq3j
President of Cuba, government.government_office_or_title.office_holders, m.0r9h970
Spain, common.topic.notable_types, Country
Hassan Yussuff, common.topic.notable_types, Organization leader
President, common.topic.webpage, m.09ynz5g
K. S. Jayaraman, business.board_member.leader_of, m.010vyf9y
President, organization.role.leaders, m.012hw29r
Giovanni Sacheli, common.topic.notable_types, Organization leader
Cuba, common.topic.article, m.0d04zj
m.011qyy9l, organization.leadership.role, President
Cuba, common.topic.notable_for, g.125cdpndr
m.011sh1kx, organization.leadership.role, President
m.09y651j, common.webpage.topic, Cuba
Cuba, book.book_subject.works, The Old Man and the Sea
m.078ftf0, government.government_position_held.office_position_or_title, President of Cuba
Yulitza Meneses, people.person.nationality, Cuba
President of the United Federation, fictional_universe.fictional_character.gender, Male
Cuba, book.book_subject.works, Castro (Profiles in Power Series)
m.010vyf9y, organization.leadership.role, President
United Nations, organization.organization.founders, Cuba
m.011c2n9v, organization.leadership.role, President
President of the Presidency of Religious Affairs of Turkey, common.topic.notable_types, Religious Leadership Title
Raúl Castro, people.person.profession, Politician
Raúl Castro, government.politician.party, m.040qb5s
Nueva Gerona, location.location.containedby, Isla de la Juventud
President, organization.role.leaders, m.011vg5nd
Cuba, government.governmental_jurisdiction.government_positions, President of Cuba
Isla de la Juventud, common.topic.notable_for, g.1258jzqc1
Herbert Brucker, business.board_member.leader_of, m.011fffbz
m.012dv8pl, organization.leadership.person, Jan R. Hakemulder
Edward Theodore Newell, business.board_member.leader_of, m.011nqhd1
President, organization.role.leaders, m.012vl0sx
President, organization.role.leaders, m.0hj2q2k
President, common.topic.webpage, m.09ybsf2
m.012hw29r, organization.leadership.person, Don Scales
Cuba, people.person.nationality, Raúl Castro
m.011mdkxn, organization.leadership.person, Alessandro Zucchetti
m.010x4k8d, organization.leadership.role, President
Isla de la Juventud, geography.island.island_group, Antilles
President, organization.role.leaders, m.011qjlzn
Cuba, book.written_work.subjects, Cuba
President, organization.role.leaders, m.011451lj
Cuban Revolution, base.culturalevent.event.entity_involved, Cuba
m.011byq3j, organization.leadership.person,  Aaron Watkins
m.0110_fhv, organization.leadership.person, Warren Jeffs
Cuba, book.book_subject.works, The rough rider
Ernst Thälmann Island, geography.island.island_group, Antilles
Raúl Castro, people.person.nationality, Cuba
Country, freebase.type_profile.published, Published
Isla de la Juventud Location, common.image.size, m.02c591f
m.011sh1kx, organization.leadership.person, Helder Bataglia dos Santos
m.010vyf9y, organization.leadership.person, K. S. Jayaraman
Cuba, organization.organization_scope.organizations_with_this_scope, Cuban Democratic Socialist Current
President, organization.role.leaders, m.011sh1kx
President, organization.role.leaders, m.010vz03z
m.012hvzcf, organization.leadership.person, Shanoj Ajayan
Lyndon B. Johnson, government.us_president.vice_president, Hubert Humphrey
Canarreos Archipelago, location.location.contains, Isla de la Juventud
President of Cuba, government.government_office_or_title.office_holders, m.03mr3c5
Yurieski Torreblanca, people.person.place_of_birth, Isla de la Juventud
President, common.topic.article, m.060cg
Cuban Democratic Socialist Current, organization.organization.geographic_scope, Cuba
Raúl Castro, book.book_subject.works, After Fidel: Raul Castro and the Future of Cuba's Revolution
Rudolf Meister, business.board_member.leader_of, m.0129f72l
m.0n55kn3, organization.leadership.person, Mark Wang
Cuba, book.book_subject.works, Cuba
The President is the people's lobbyist., media_common.quotation.author, Hubert Humphrey
David Rolf, common.topic.notable_types, Organization leader
Isla de la Juventud, location.location.people_born_here, Yoelmis Hernandez Paumier
Isla de la Juventud, location.location.people_born_here, Yurieski Torreblanca
Raúl Castro, people.person.children, Alejandro Castro Espín
Cuba, organization.organization_member.member_of, m.059w98d
Fidel Castro, book.written_work.subjects, Cuba
m.012kzldb, government.political_party_tenure.politician, Raúl Castro

Answer: Raúl Castro