Question: Which website represents the TV series with Ricky Gervais as a cast member?
Choices: http://www.bbc.co.uk/comedy/theoffice/
http://www.thesessionsmovie.com
http://www.imdb.com/title/tt0144084/
http://www.ayrunitedfc.co.uk/
http://www.trentonnj.org/
http://www.ti.com/
http://www.ci.medford.or.us
http://www.iloveyouman.com/
https://www.olympic.org/grenoble-1968
http://www.cliftoncollinsjr.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Ricky Gervais" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Ricky Gervais
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.bbc.co.uk/comedy/theoffice/