Question: Is the date of birth of Beck (who works in the location of Leipzig) not in 1940?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Beck" . ?e <work_location> ?e_1 . ?e_1 <pred:name> "Leipzig" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1940 ) .  }
Program:
function: Find
inputs: Leipzig
function: Relate
dependencies: 0
inputs: work location
backward
function: Find
inputs: Beck
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1940
!=