Question: Did the war whose end time is on 1991-02-28 start on 2004-06-04?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <end_time> ?pv_1 . ?pv_1 <pred:date> "1991-02-28"^^xsd:date . ?e <start_time> ?pv . ?pv <pred:date> "2004-06-04"^^xsd:date .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: end time
1991-02-28
=
function: FilterConcept
dependencies: 1
inputs: war
function: QueryAttr
dependencies: 2
inputs: start time
function: VerifyDate
dependencies: 3
inputs: 2004-06-04
=