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