Question: Was the inception date for the heavy metal band For Dio not in 1993?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Dio" . ?e <genre> ?e_1 . ?e_1 <pred:name> "heavy metal" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1993 ) .  }
Program:
function: Find
inputs: heavy metal
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Dio
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: inception
function: VerifyYear
dependencies: 4
inputs: 1993
!=