Question: Is the elevation (over sea level) for Arkansas not equal to 500 feet?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Arkansas" . ?e <elevation_above_sea_level> ?pv . ?pv <pred:unit> "foot" . ?pv <pred:value> ?v . FILTER ( ?v != "500"^^xsd:double ) .  }
Program:
function: Find
inputs: Arkansas
function: QueryAttr
dependencies: 0
inputs: elevation above sea level
function: VerifyNum
dependencies: 1
inputs: 500 foot
!=