Question: Does the island that is the twinned administrative body of Busan, have the official website of http://www.pref.hokkaido.lg.jp?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "island" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Busan" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.pref.hokkaido.lg.jp" .  }
Program:
function: Find
inputs: Busan
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: island
function: QueryAttr
dependencies: 2
inputs: official website
function: VerifyStr
dependencies: 3
inputs: http://www.pref.hokkaido.lg.jp
Answer: yes