Question: Is the population of Brantford not 4500000000?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Brantford" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v != "4500000000"^^xsd:double ) .  }
Program:
function: Find
inputs: Brantford
function: QueryAttr
dependencies: 0
inputs: population
function: VerifyNum
dependencies: 1
inputs: 4500000000
!=