Question: Was Led Zeppelin (the one that uses the language English) not published in 2007?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Led Zeppelin" . ?e <language_of_work_or_name> ?e_1 . ?e_1 <pred:name> "English" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 2007 ) .  }
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: language of work or name
backward
function: Find
inputs: Led Zeppelin
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 2007
!=
Answer: yes