Question: Did the Middle Eastern theatre of World War I conclude prior to 1980?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Middle Eastern theatre of World War I" . ?e <end_time> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1980 ) .  }
Program:
function: Find
inputs: Middle Eastern theatre of World War I
function: QueryAttr
dependencies: 0
inputs: end time
function: VerifyYear
dependencies: 1
inputs: 1980
<