Question: Is http://lucasfilm.com/howard-the-duck the official website for the Marvel Universe film that features the character Howard the Duck?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <characters> ?e_1 . ?e_1 <pred:name> "Howard the Duck" . ?e_1 <from_fictional_universe> ?e_2 . ?e_2 <pred:name> "Marvel Universe" .  ?e <official_website> ?pv . ?pv <pred:value> "http://lucasfilm.com/howard-the-duck" .  }
Program:
function: Find
inputs: Marvel Universe
function: Relate
dependencies: 0
inputs: from fictional universe
backward
function: Find
inputs: Howard the Duck
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: characters
backward
function: FilterConcept
dependencies: 4
inputs: film
function: QueryAttr
dependencies: 5
inputs: official website
function: VerifyStr
dependencies: 6
inputs: http://lucasfilm.com/howard-the-duck