Question: What is the official website of the television series Pretty Little Liars whose genre is young adult literature?
Choices: http://www.melbourneflorida.org
http://www.rcstrasbourgalsace.fr/
http://www.baylor.edu
http://www.wrotapodlasia.pl
https://www.leedsunited.com/
http://www.udinese.it/
http://predators.nhl.com/
https://freeform.go.com/shows/pretty-little-liars/news
http://www.chesterton.org/
http://metallurg.donetsk.ua/en/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e_1 <derivative_work> ?e . ?e_1 <pred:name> "Pretty Little Liars" . ?e_1 <genre> ?e_2 . ?e_2 <pred:name> "young adult literature" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: young adult literature
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Pretty Little Liars
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: derivative work
forward
function: FilterConcept
dependencies: 4
inputs: television series
function: QueryAttr
dependencies: 5
inputs: official website
Answer: https://freeform.go.com/shows/pretty-little-liars/news