Question: Is the physical area of Litchfield not exactly 85 acres ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Litchfield" . ?e <area> ?pv . ?pv <pred:unit> "acre" . ?pv <pred:value> ?v . FILTER ( ?v != "85"^^xsd:double ) .  }
Program:
function: Find
inputs: Litchfield
function: QueryAttr
dependencies: 0
inputs: area
function: VerifyNum
dependencies: 1
inputs: 85 acre
!=