Question: Is the official website of the United States city that is the headquarters location of Berkshire Hathaway (located at Kiewit Plaza) http://www.oshawa.ca/?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <headquarters_location> ?e . ?e_1 <pred:name> "Berkshire Hathaway" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e ] <location> ?qpv . ?qpv <pred:value> "Kiewit Plaza" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.oshawa.ca/" .  }
Program:
function: Find
inputs: Berkshire Hathaway
function: Relate
dependencies: 0
inputs: headquarters location
forward
function: QFilterStr
dependencies: 1
inputs: location
Kiewit Plaza
function: FilterConcept
dependencies: 2
inputs: city of the United States
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://www.oshawa.ca/