Question: Is the English Channel not 7400 meters deep?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "English Channel" . ?e <vertical_depth> ?pv . ?pv <pred:unit> "metre" . ?pv <pred:value> ?v . FILTER ( ?v != "7400"^^xsd:double ) .  }
Program:
function: Find
inputs: English Channel
function: QueryAttr
dependencies: 0
inputs: vertical depth
function: VerifyNum
dependencies: 1
inputs: 7400 metre
!=