Question: Is 1922 not the year of the date of birth of Michael York who is a participant i the 2000 Summer Olympics?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: 2000 Summer Olympics
function: Relate
dependencies: 0
inputs: participant of
backward
function: Find
inputs: Michael York
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1922
!=
SPARQL: ASK { ?e <pred:name> "Michael York" . ?e <participant_of> ?e_1 . ?e_1 <pred:name> "2000 Summer Olympics" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1922 ) .  }
Answer: yes