Question: Did the Max Weber working in Berlin die in a year other than 1990 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Max Weber" . ?e <work_location> ?e_1 . ?e_1 <pred:name> "Berlin" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1990 ) .  }
Program:
function: Find
inputs: Berlin
function: Relate
dependencies: 0
inputs: work location
backward
function: Find
inputs: Max Weber
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of death
function: VerifyYear
dependencies: 4
inputs: 1990
!=
Answer: yes