Question: Is the publication date for Wyoming that originates in the United States of America not in the year 1953?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: Find
inputs: Wyoming
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 1953
!=
SPARQL: ASK { ?e <pred:name> "Wyoming" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1953 ) .  }
Answer: yes