Question: Which Twitter handle belongs to Thomas Jane's wife?
Choices:
vwofficial
camerondiaz
SantanaCarlos
janisjoplin
MattBellamy
speak_true
wyntonmarsalis
garretdillahunt
PattyArquette
nantesfr
Answer: PattyArquette
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <spouse> ?e_1 . ?e_1 <pred:name> "Thomas Jane" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Thomas Jane
function: Relate
dependencies: 0
inputs: spouse
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username