Question: Is http://www.theexpendables2film.com/ the official website of the visual artwork whose regional debut venue is Belgrade?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <film_regional_debut_venue> ?e_1 . ?e_1 <pred:name> "Belgrade" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.theexpendables2film.com/" .  }
Program:
function: Find
inputs: Belgrade
function: Relate
dependencies: 0
inputs: film regional debut venue
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: official website
function: VerifyStr
dependencies: 3
inputs: http://www.theexpendables2film.com/
Answer: yes