Question: Does American Gangster (the one that has Jay-Z as a performer), have its title equal to Witness?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Jay-Z
function: Relate
dependencies: 0
inputs: performer
backward
function: Find
inputs: American Gangster
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: title
function: VerifyStr
dependencies: 4
inputs: Witness
SPARQL: ASK { ?e <pred:name> "American Gangster" . ?e <performer> ?e_1 . ?e_1 <pred:name> "Jay-Z" .  ?e <title> ?pv . ?pv <pred:value> "Witness" .  }
Answer: no