Question: When did Ukraine enter into a diplomatic relationship with Brazil, which warred with Yugoslavia?
Choices: 1861-05-20
1985-12-15
2013-07-12
1982-08-30
2003-12-26
1992-02-11
1898-07-07
1999-01-12
2012-06-28
2016-09-06
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Ukraine" . ?e_2 <pred:name> "Brazil" . ?e_3 <military_conflicts> ?e_2 . ?e_3 <pred:name> "Yugoslavia" . ?e_1 <diplomatic_relation> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <diplomatic_relation> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Ukraine
function: Find
inputs: Yugoslavia
function: Relate
dependencies: 1
inputs: military conflicts
forward
function: Find
inputs: Brazil
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: diplomatic relation
start time
Answer: 1992-02-11