good good
Id1 Id2
A Wizard of Mars was published in the United States, where Barack Obama is the leader and one of the ethnic groups is African American. Barack Obama, president of the US is an African American man, which is one of the ethnic groups of the United States. A Wizard of Mars was published in the United States.
resource:A_Wizard_of_Mars rdf:type ontology:written_work
resource:A_Wizard_of_Mars property:country resource:United_States
resource:United_States property:leader resource:Barack_Obama
resource:United_States property:ethnic_group resource:African_Americans
country
country
property:country
ethnicGroup
ethnic group
property:ethnic_group
leader
leader
property:leader
A_Wizard_of_Mars
A Wizard of Mars
resource:A_Wizard_of_Mars
African_Americans
African Americans
resource:African_Americans
Barack_Obama
Barack Obama
resource:Barack_Obama
United_States
United States
resource:United_States
SELECT DISTINCT ?r ?a WHERE { resource:United_States property:ethnic_group ?a . resource:United_States property:leader ?r }
SELECT DISTINCT ?r ?a WHERE { resource:United_States property:ethnic_group ?a . resource:United_States property:leader ?r }
resource:Barack_Obama resource:African_Americans
Barack Obama African Americans
complete meaningful answer two_triples direct direct_multiple_answers conjunctive_only multiple_intentions no_typing no_answer_typing two_variables multiple_answers no_comparison
SELECT DISTINCT ?g WHERE { ?g rdf:type ontology:written_work . ?g property:country resource:United_States }
SELECT DISTINCT ?g WHERE { ?g rdf:type ontology:written_work . ?g property:country resource:United_States }
resource:A_Wizard_of_Mars
A Wizard of Mars
coreference meaningful answer single_triple direct direct_single conjunctive_only entity_answer typing answer_typing one_variable single_answer no_comparison open_entity_answer single_intention