Question: Is Helen (the one that origins from United States of America) 120 minutes long?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Helen" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <duration> ?pv . ?pv <pred:unit> "minute" . ?pv <pred:value> "120"^^xsd:double .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: Find
inputs: Helen
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: duration
function: VerifyNum
dependencies: 4
inputs: 120 minute
=