Question: Is the official website of George Benson, the African American, http://georgebenson.com?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "George Benson" . ?e <ethnic_group> ?e_1 . ?e_1 <pred:name> "African Americans" .  ?e <official_website> ?pv . ?pv <pred:value> "http://georgebenson.com" .  }
Program:
function: Find
inputs: African Americans
function: Relate
dependencies: 0
inputs: ethnic group
backward
function: Find
inputs: George Benson
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://georgebenson.com
Answer: yes