Question: What language is  https://www.apple.com/benl/ios, Unix-like operating system in Vietnamese language?
Choices: Esperanto
Turkish
Malagasy
Dutch
Bokmål
Australian English
Finnish
Nynorsk
Franco-Provençal
Maltese
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "Unix-like operating system" . ?e <language_of_work_or_name> ?e_1 . ?e_1 <pred:name> "Vietnamese" .  ?e <official_website> ?pv . ?pv <pred:value> "https://www.apple.com/benl/ios/" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv ] <language_of_work_or_name> ?qpv .  }
Program:
function: Find
inputs: Vietnamese
function: Relate
dependencies: 0
inputs: language of work or name
backward
function: FilterConcept
dependencies: 1
inputs: Unix-like operating system
function: QueryAttrQualifier
dependencies: 2
inputs: official website
https://www.apple.com/benl/ios/
language of work or name
Answer: Dutch