Question: Is the work period (start) of the human whose date of birth is on 1965-03-24 before 1917?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1965-03-24"^^xsd:date . ?e <work_period_(start)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1917 ) .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: date of birth
1965-03-24
=
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: work period (start)
function: VerifyYear
dependencies: 3
inputs: 1917
<
Answer: no