Question: Is 5023 the postal code of Algiers that is the twinned administrative body of Sofia?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Algiers" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Sofia" .  ?e <postal_code> ?pv . ?pv <pred:value> "5023" .  }
Program:
function: Find
inputs: Sofia
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Algiers
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: postal code
function: VerifyStr
dependencies: 4
inputs: 5023
Answer: no