Question: Is http://www.sachsen-coburg-gotha.de/ the official website of the social group that includes the House of Windsor?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "social group" . ?e <has_part> ?e_1 . ?e_1 <pred:name> "House of Windsor" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.sachsen-coburg-gotha.de/" .  }
Program:
function: Find
inputs: House of Windsor
function: Relate
dependencies: 0
inputs: has part
backward
function: FilterConcept
dependencies: 1
inputs: social group
function: QueryAttr
dependencies: 2
inputs: official website
function: VerifyStr
dependencies: 3
inputs: http://www.sachsen-coburg-gotha.de/