Question: What is the official website of Iron Man 2 (the one that is released for Wii)?
Choices:
http://www.collingwoodfc.com.au/
http://www.tonyplana.com/
http://www.steelers.com
http://www.regione.calabria.it/
http://www.ci.berkeley.ca.us/
http://www.buccaneers.com
http://www.harryconnickjr.com
http://www.caluniv.ac.in/
http://www.barnard.edu
http://www.sega.com/ironman2/us/index.html
Answer: http://www.sega.com/ironman2/us/index.html
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Iron Man 2" . ?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: Iron Man 2
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website