Question: Was the rock band that composed Dune, which was shot in Mexico, not founded in 1999?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e_1 <composer> ?e . ?e_1 <pred:name> "Dune" . ?e_1 <filming_location> ?e_2 . ?e_2 <pred:name> "Mexico" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1999 ) .  }
Program:
function: Find
inputs: Mexico
function: Relate
dependencies: 0
inputs: filming location
backward
function: Find
inputs: Dune
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: composer
forward
function: FilterConcept
dependencies: 4
inputs: rock band
function: QueryAttr
dependencies: 5
inputs: inception
function: VerifyYear
dependencies: 6
inputs: 1999
!=