Question: For the Unix-like operating system industry what is the website?
Choices: http://www.petergabriel.com
http://www.parlzim.gov.zw/
http://www.jablotehfc.com/
https://www.royalholloway.ac.uk/
http://www.elizabethbanks.com
http://www.miramax.com/movie/a-midsummer-nights-dream
http://opengroup.org/unix
https://www.forbes.com
http://jaredleto.com
http://maratone.se/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "industry" . ?e_1 <based_on> ?e . ?e_1 <pred:name> "Unix-like operating system" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Unix-like operating system
function: Relate
dependencies: 0
inputs: based on
forward
function: FilterConcept
dependencies: 1
inputs: industry
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://opengroup.org/unix