Question: Is http://www.ocadu.ca the official website of Petersburg?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Petersburg" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.ocadu.ca" .  }
Program:
function: Find
inputs: Petersburg
function: QueryAttr
dependencies: 0
inputs: official website
function: VerifyStr
dependencies: 1
inputs: http://www.ocadu.ca