Question: Is ITFRR  the UN/LOCODE of the city that is the birthplace of Andrea Romano (the one that is the citizen of Italy) ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Andrea Romano" . ?e_1 <country_of_citizenship> ?e_2 . ?e_2 <pred:name> "Italy" .  ?e <UN/LOCODE> ?pv . ?pv <pred:value> "ITFRR" .  }
Program:
function: Find
inputs: Italy
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: Find
inputs: Andrea Romano
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: place of birth
forward
function: FilterConcept
dependencies: 4
inputs: city
function: QueryAttr
dependencies: 5
inputs: UN/LOCODE
function: VerifyStr
dependencies: 6
inputs: ITFRR