Question: Was the produced by Sammo Hung published more recently than 1921 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Sammo Hung
function: Relate
dependencies: 0
inputs: producer
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: publication date
function: VerifyYear
dependencies: 3
inputs: 1921
>
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <producer> ?e_1 . ?e_1 <pred:name> "Sammo Hung" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1921 ) .  }
Answer: yes