Question: Does the film, with Walter Wanger as director, have its video equal to Channel2 - Tel Aviv.webm?
Choices: yes
no
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unknown
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SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <director> ?e_1 . ?e_1 <pred:name> "Walter Wanger" .  ?e <video> ?pv . ?pv <pred:value> "Channel2 - Tel Aviv.webm" .  }
Program:
function: Find
inputs: Walter Wanger
function: Relate
dependencies: 0
inputs: director
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: video
function: VerifyStr
dependencies: 3
inputs: Channel2 - Tel Aviv.webm
Answer: no