Question: Is http://vancouver.ca/ the official website for Vancouver that shares a border with Burnaby?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Vancouver" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:name> "Burnaby" .  ?e <official_website> ?pv . ?pv <pred:value> "http://vancouver.ca/" .  }
Program:
function: Find
inputs: Burnaby
function: Relate
dependencies: 0
inputs: shares border with
backward
function: Find
inputs: Vancouver
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://vancouver.ca/
Answer: yes