Question: Are the Appalachian Mountains longer than 9000 feet?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Appalachian Mountains" . ?e <length> ?pv . ?pv <pred:unit> "foot" . ?pv <pred:value> ?v . FILTER ( ?v > "9000"^^xsd:double ) .  }
Program:
function: Find
inputs: Appalachian Mountains
function: QueryAttr
dependencies: 0
inputs: length
function: VerifyNum
dependencies: 1
inputs: 9000 foot
>