Question: What is the official website of How to Train Your Dragon (the one that is released for Wii)?
Choices:
http://www.jacksonms.gov
http://www.atlus.com/rockofages/
https://westmidlandscombinedauthority.org.uk
http://www.howtotrainyourdragongame.com/
http://www.ticats.ca/
http://www.spbu.ru/
http://www.fredericton.ca/
https://www.halloweenmovie.com/
http://www.ci.claremont.ca.us
http://www.nccde.org
Answer: http://www.howtotrainyourdragongame.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "How to Train Your Dragon" . ?e <platform> ?e_1 . ?e_1 <pred:name> "Wii" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Wii
function: Relate
dependencies: 0
inputs: platform
backward
function: Find
inputs: How to Train Your Dragon
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website