Question: Did the person with the birth name David Seth Kotkin become the partner of Claudia Schiffer on 1994-01-01?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <partner> ?e_1 . ?e_1 <pred:name> "Claudia Schiffer" .  [ <pred:fact_h> ?e ; <pred:fact_r> <partner> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:date> "1994-01-01"^^xsd:date . ?e <birth_name> ?pv . ?pv <pred:value> "David Seth Kotkin" .  }
Program:
function: Find
inputs: Claudia Schiffer
function: Relate
dependencies: 0
inputs: partner
backward
function: QFilterDate
dependencies: 1
inputs: start time
1994-01-01
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: birth name
function: VerifyStr
dependencies: 4
inputs: David Seth Kotkin
Answer: yes