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