Question: Is http://www.gc4me.com the official website for the school district whose headquarters location is Los Angeles, having the postal code 90017?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "school district" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Los Angeles" .  [ <pred:fact_h> ?e ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_1 ] <postal_code> ?qpv . ?qpv <pred:value> "90017" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.gc4me.com" .  }
Program:
function: Find
inputs: Los Angeles
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: QFilterStr
dependencies: 1
inputs: postal code
90017
function: FilterConcept
dependencies: 2
inputs: school district
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://www.gc4me.com