Question: Is mrblake the Instagram username foor Draco Rosa ?
Choices: yes
no
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unknown
unknown
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unknown
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SPARQL: ASK { ?e <pred:name> "Draco Rosa" . ?e <Instagram_username> ?pv . ?pv <pred:value> "mrblake" .  }
Program:
function: Find
inputs: Draco Rosa
function: QueryAttr
dependencies: 0
inputs: Instagram username
function: VerifyStr
dependencies: 1
inputs: mrblake
Answer: yes