Question: Was the person that lives in London, birthplace of Ryan Gosling, born later than 1972 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <residence> ?e_1 . ?e_1 <pred:name> "London" . ?e_2 <place_of_birth> ?e_1 . ?e_2 <pred:name> "Ryan Gosling" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1972 ) .  }
Program:
function: Find
inputs: Ryan Gosling
function: Relate
dependencies: 0
inputs: place of birth
forward
function: Find
inputs: London
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: residence
backward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of birth
function: VerifyYear
dependencies: 6
inputs: 1972
>
Answer: no