Question: Is the Instagram username of John Carter (the one whose Twitter username is JudgeCarter) repcarter?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "John Carter" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "JudgeCarter" . ?e <Instagram_username> ?pv . ?pv <pred:value> "repcarter" .  }
Program:
function: Find
inputs: John Carter
function: FilterStr
dependencies: 0
inputs: Twitter username
JudgeCarter
function: QueryAttr
dependencies: 1
inputs: Instagram username
function: VerifyStr
dependencies: 2
inputs: repcarter