Question: Does the woman nicknamed Pearl, have the Twitter username, janisjoplin?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <nickname> ?pv_1 . ?pv_1 <pred:value> "Pearl" . ?e <Twitter_username> ?pv . ?pv <pred:value> "janisjoplin" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: nickname
Pearl
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: janisjoplin
Answer: yes