Question: Is TQ585395 the OS grid reference for the market town that is the birthplace of Tony Curtis (who was born in Carmarthen)?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "market town" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Tony Curtis" . ?e_1 <place_of_birth> ?e_2 . ?e_2 <pred:name> "Carmarthen" .  ?e <OS_grid_reference> ?pv . ?pv <pred:value> "TQ585395" .  }
Program:
function: Find
inputs: Carmarthen
function: Relate
dependencies: 0
inputs: place of birth
backward
function: Find
inputs: Tony Curtis
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: place of birth
forward
function: FilterConcept
dependencies: 4
inputs: market town
function: QueryAttr
dependencies: 5
inputs: OS grid reference
function: VerifyStr
dependencies: 6
inputs: TQ585395