Question: Is EvaLongoria the Twitter username of the agent whose headquarter location is Hamburg ?
Choices: yes
no
unknown
unknown
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unknown
unknown
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SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Hamburg" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "EvaLongoria" .  }
Program:
function: Find
inputs: Hamburg
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: agent
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: EvaLongoria
Answer: no