Question: Was the award bestowed on David Mills, whose death was due to natural causes, established in a year other than 1950 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "award" . ?e_1 <award_received> ?e . ?e_1 <pred:name> "David Mills" . ?e_1 <manner_of_death> ?e_2 . ?e_2 <pred:name> "natural causes" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1950 ) .  }
Program:
function: Find
inputs: natural causes
function: Relate
dependencies: 0
inputs: manner of death
backward
function: Find
inputs: David Mills
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: award received
forward
function: FilterConcept
dependencies: 4
inputs: award
function: QueryAttr
dependencies: 5
inputs: inception
function: VerifyYear
dependencies: 6
inputs: 1950
!=