Question: Is the area of a state in the US, where the significant Americal Civil War event was happening until 1865, not equal to 26,000 hectars?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "state of the United States" . ?e <significant_event> ?e_1 . ?e_1 <pred:name> "American Civil War" .  [ <pred:fact_h> ?e ; <pred:fact_r> <significant_event> ; <pred:fact_t> ?e_1 ] <end_time> ?qpv . ?qpv <pred:year> 1865 . ?e <area> ?pv . ?pv <pred:unit> "hectare" . ?pv <pred:value> ?v . FILTER ( ?v != "26000"^^xsd:double ) .  }
Program:
function: Find
inputs: American Civil War
function: Relate
dependencies: 0
inputs: significant event
backward
function: QFilterYear
dependencies: 1
inputs: end time
1865
=
function: FilterConcept
dependencies: 2
inputs: state of the United States
function: QueryAttr
dependencies: 3
inputs: area
function: VerifyNum
dependencies: 4
inputs: 26000 hectare
!=