Question: What is the official website of Constantine (whose distributor is Warner Bros.)?
Choices:
http://constantinemovie.warnerbros.com/
http://www.slamduncan.com/
http://www.monocounty.ca.gov
http://www.clubcultura.com/clubcine/clubcineastas/almodovar/volverlapelicula/index.html
http://www.gold.ac.uk/
http://www.escondido.org
http://www.stadtluzern.ch
http://www.cq.gov.cn/
http://www.holyoke.org/
https://www.grimsby-townfc.co.uk/
Answer: http://constantinemovie.warnerbros.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Constantine" . ?e <distributor> ?e_1 . ?e_1 <pred:name> "Warner Bros." .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Warner Bros.
function: Relate
dependencies: 0
inputs: distributor
backward
function: Find
inputs: Constantine
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website