Question: Was David Newman, who was education at the University of Michigan, not born in 1978?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "David Newman" . ?e <educated_at> ?e_1 . ?e_1 <pred:name> "University of Michigan" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1978 ) .  }
Program:
function: Find
inputs: University of Michigan
function: Relate
dependencies: 0
inputs: educated at
backward
function: Find
inputs: David Newman
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1978
!=