Question: Is Dave Mustaine's Instagram handle psg?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Dave Mustaine" . ?e <Instagram_username> ?pv . ?pv <pred:value> "psg" .  }
Program:
function: Find
inputs: Dave Mustaine
function: QueryAttr
dependencies: 0
inputs: Instagram username
function: VerifyStr
dependencies: 1
inputs: psg