Question: Is the OS grid reference of a town, bordering Warrington, SJ505955 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "town" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:name> "Warrington" .  ?e <OS_grid_reference> ?pv . ?pv <pred:value> "SJ505955" .  }
Program:
function: Find
inputs: Warrington
function: Relate
dependencies: 0
inputs: shares border with
backward
function: FilterConcept
dependencies: 1
inputs: town
function: QueryAttr
dependencies: 2
inputs: OS grid reference
function: VerifyStr
dependencies: 3
inputs: SJ505955
Answer: yes