Question: Is the licence plate code P for Limburg whose capital is Maastricht?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Limburg" . ?e <capital> ?e_1 . ?e_1 <pred:name> "Maastricht" .  ?e <licence_plate_code> ?pv . ?pv <pred:value> "P" .  }
Program:
function: Find
inputs: Maastricht
function: Relate
dependencies: 0
inputs: capital
backward
function: Find
inputs: Limburg
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: licence plate code
function: VerifyStr
dependencies: 4
inputs: P