Question: Is the title of the English film with Jeff Bennet Vera Drake?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Jeff Bennett" . ?e_1 <languages_spoken,_written_or_signed> ?e_2 . ?e_2 <pred:name> "English" .  ?e <title> ?pv . ?pv <pred:value> "Vera Drake" .  }
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: languages spoken, written or signed
backward
function: Find
inputs: Jeff Bennett
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: cast member
backward
function: FilterConcept
dependencies: 4
inputs: film
function: QueryAttr
dependencies: 5
inputs: title
function: VerifyStr
dependencies: 6
inputs: Vera Drake