Question: Did the war that had NATO as a participant end outside of 2011?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <participant> ?e_1 . ?e_1 <pred:name> "NATO" .  ?e <end_time> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 2011 ) .  }
Program:
function: Find
inputs: NATO
function: Relate
dependencies: 0
inputs: participant
backward
function: FilterConcept
dependencies: 1
inputs: war
function: QueryAttr
dependencies: 2
inputs: end time
function: VerifyYear
dependencies: 3
inputs: 2011
!=
Answer: yes