Question: Does the Twitter username SouthPark belong to the person who was Patricia Arquette's husband until 2011-07-01?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <spouse> ?e . ?e_1 <pred:name> "Patricia Arquette" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e ] <end_time> ?qpv . ?qpv <pred:date> "2011-07-01"^^xsd:date . ?e <Twitter_username> ?pv . ?pv <pred:value> "SouthPark" .  }
Program:
function: Find
inputs: Patricia Arquette
function: Relate
dependencies: 0
inputs: spouse
forward
function: QFilterDate
dependencies: 1
inputs: end time
2011-07-01
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: Twitter username
function: VerifyStr
dependencies: 4
inputs: SouthPark