Question: Was Rosemary Harris (the one that is an ethnic group of English people) not born in 1947?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Rosemary Harris" . ?e <ethnic_group> ?e_1 . ?e_1 <pred:name> "English people" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1947 ) .  }
Program:
function: Find
inputs: English people
function: Relate
dependencies: 0
inputs: ethnic group
backward
function: Find
inputs: Rosemary Harris
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1947
!=