Question: Which visual artwork is based on Rent (whose official website is http://www.sonypictures.com/homevideo/rent/index.html)?
Choices: Rebecca
A Prairie Home Companion
The Towering Inferno
King Kong
The Fifth Element
Rent
I Heart Huckabees
Training Day
Pleasantville
Talk to Her
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <based_on> ?e_1 . ?e_1 <pred:name> "Rent" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.sonypictures.com/homevideo/rent/index.html" .   }
Program:
function: Find
inputs: Rent
function: FilterStr
dependencies: 0
inputs: official website
http://www.sonypictures.com/homevideo/rent/index.html
function: Relate
dependencies: 1
inputs: based on
backward
function: FilterConcept
dependencies: 2
inputs: visual artwork
function: What
dependencies: 3
Answer: Rent