Question: Regarding the city that is in the country of Cameroon, is the area bigger than 90 square kilometres?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <country> ?e_1 . ?e_1 <pred:name> "Cameroon" .  ?e <area> ?pv . ?pv <pred:unit> "square kilometre" . ?pv <pred:value> ?v . FILTER ( ?v > "90"^^xsd:double ) .  }
Program:
function: Find
inputs: Cameroon
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: area
function: VerifyNum
dependencies: 3
inputs: 90 square kilometre
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