Question: Did the parent of Jason Robards (active in WWII) die after 1922?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <child> ?e_1 . ?e_1 <pred:name> "Jason Robards" . ?e_1 <conflict> ?e_2 . ?e_2 <pred:name> "World War II" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1922 ) .  }
Program:
function: Find
inputs: World War II
function: Relate
dependencies: 0
inputs: conflict
backward
function: Find
inputs: Jason Robards
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: child
backward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of death
function: VerifyYear
dependencies: 6
inputs: 1922
>
Answer: yes