Question: Was the agency chaired by John Kerry beginning in 2013 founded in a year other than 1874?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <chairperson> ?e_1 . ?e_1 <pred:name> "John Kerry" .  [ <pred:fact_h> ?e ; <pred:fact_r> <chairperson> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 2013 . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1874 ) .  }
Program:
function: Find
inputs: John Kerry
function: Relate
dependencies: 0
inputs: chairperson
backward
function: QFilterYear
dependencies: 1
inputs: start time
2013
=
function: FilterConcept
dependencies: 2
inputs: agent
function: QueryAttr
dependencies: 3
inputs: inception
function: VerifyYear
dependencies: 4
inputs: 1874
!=