Question: Was Paul Winfield born in a year other than 1981 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Paul Winfield" . ?e <date_of_birth> ?pv . ?pv <pred:year> 1981 .  }
Program:
function: Find
inputs: Paul Winfield
function: QueryAttr
dependencies: 0
inputs: date of birth
function: VerifyYear
dependencies: 1
inputs: 1981
=
Answer: no