Question: Is the director of photography of Loving distributed by Columbia Pictures born after 1924?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Columbia Pictures
function: Relate
dependencies: 0
inputs: distributor
backward
function: Find
inputs: Loving
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: director of photography
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of birth
function: VerifyYear
dependencies: 6
inputs: 1924
>
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director_of_photography> ?e . ?e_1 <pred:name> "Loving" . ?e_1 <distributor> ?e_2 . ?e_2 <pred:name> "Columbia Pictures" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1924 ) .  }
Answer: yes