Question: Was Jack Warner (the one whose date of death is 1950-08-23) not born in 1915?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Jack Warner" . ?e <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1950-08-23"^^xsd:date . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1915 ) .  }
Program:
function: Find
inputs: Jack Warner
function: FilterDate
dependencies: 0
inputs: date of death
1950-08-23
=
function: QueryAttr
dependencies: 1
inputs: date of birth
function: VerifyYear
dependencies: 2
inputs: 1915
!=