Question: Is pontifex the Twitter username of the sovereign state that is the pope's country?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <country> ?e . ?e_1 <pred:name> "pope" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "pontifex" .  }
Program:
function: Find
inputs: pope
function: Relate
dependencies: 0
inputs: country
forward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: pontifex