Question: What is the official website of the person whose genre is hardcore punk?
Choices: http://www.london.ca
http://www.nin.com/
http://www.sonyclassics.com/aseparation
http://www.katowice.eu/
http://www.henryrollins.com
http://www.laurel-and-hardy.com/
http://www.harrygregsonwilliams.com/
http://www.albanylaw.edu
http://www.lakecountyohio.gov
http://www.co.peoria.il.us
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <genre> ?e_1 . ?e_1 <pred:name> "hardcore punk" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: hardcore punk
function: Relate
dependencies: 0
inputs: genre
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.henryrollins.com