Question: Does Twitter username trent_reznor belongs to the person who has membership with Nine Inch Nails?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <member_of> ?e_1 . ?e_1 <pred:name> "Nine Inch Nails" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "trent_reznor" .  }
Program:
function: Find
inputs: Nine Inch Nails
function: Relate
dependencies: 0
inputs: member of
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: trent_reznor
Answer: yes