Question: Did the producer of the dramatic film Gone with the Wind die later than 1981 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <producer> ?e . ?e_1 <pred:name> "Gone with the Wind" . ?e_1 <genre> ?e_2 . ?e_2 <pred:name> "drama film" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1981 ) .  }
Program:
function: Find
inputs: drama film
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Gone with the Wind
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: producer
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of death
function: VerifyYear
dependencies: 6
inputs: 1981
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