Question: How many operating systems, which is different from proprietary software, has a Windows Vista edition?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "operating system" . ?e <different_from> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "proprietary software" . ?e_2 <edition_or_translation_of> ?e_1 . ?e_2 <pred:name> "Windows Vista" .   }
Program:
function: Find
inputs: Windows Vista
function: Relate
dependencies: 0
inputs: edition or translation of
forward
function: FilterConcept
dependencies: 1
inputs: proprietary software
function: Relate
dependencies: 2
inputs: different from
backward
function: FilterConcept
dependencies: 3
inputs: operating system
function: Count
dependencies: 4
Answer: 0