Question: Is Fyodor Dostoyevsky's end of work period before 2002?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Fyodor Dostoyevsky" . ?e <work_period_(end)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2002 ) .  }
Program:
function: Find
inputs: Fyodor Dostoyevsky
function: QueryAttr
dependencies: 0
inputs: work period (end)
function: VerifyYear
dependencies: 1
inputs: 2002
<