Question: Is https://blogs.windows.com/ the official blog of the agent that is the owner of Google (whose Twitter username is Google)?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <owner_of> ?e_1 . ?e_1 <pred:name> "Google" . ?e_1 <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "Google" . ?e <official_blog> ?pv . ?pv <pred:value> "https://blogs.windows.com/" .  }
Program:
function: Find
inputs: Google
function: FilterStr
dependencies: 0
inputs: Twitter username
Google
function: Relate
dependencies: 1
inputs: owner of
backward
function: FilterConcept
dependencies: 2
inputs: agent
function: QueryAttr
dependencies: 3
inputs: official blog
function: VerifyStr
dependencies: 4
inputs: https://blogs.windows.com/