Question: What is the official website for a cast member of The A-Team (originally airing on NBC)?
Choices: http://www.sonybmg.com/
http://www.realbetisbalompie.es/
http://www.sfai.edu
http://svenskfotboll.se
http://www.officialrobertvaughn.com
http://www.johnbarrowman.com
https://www.apple.com/macos/
https://www.carlisleunited.co.uk/
http://www.harryshearer.com/
http://cityofportofspain.gov.tt/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <cast_member> ?e . ?e_1 <pred:name> "The A-Team" . ?e_1 <original_network> ?e_2 . ?e_2 <pred:name> "NBC" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: NBC
function: Relate
dependencies: 0
inputs: original network
backward
function: Find
inputs: The A-Team
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: cast member
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://www.officialrobertvaughn.com