Question: Is the area of an US city, located in Beaufort County, equal to 50 square versta ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Beaufort County" .  ?e <area> ?pv . ?pv <pred:unit> "square versta" . ?pv <pred:value> "50"^^xsd:double .  }
Program:
function: Find
inputs: Beaufort County
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: area
function: VerifyNum
dependencies: 3
inputs: 50 square versta
=