Question: Regarding the big city that is Twin administrative body of Stoke-on-Trent and has the nickname ER, which class is it a special example of?
Choices: stage name
verified account
sovereign state
ISO 3166-2:DE
Gran Colombia
archipelago
official minority languages of Sweden
dynastic union
location identifier part of a library identifier code
plural
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Stoke-on-Trent" .  ?e <short_name> ?pv . ?pv <pred:value> "Er" . [ <pred:fact_h> ?e ; <pred:fact_r> <short_name> ; <pred:fact_t> ?pv ] <instance_of> ?qpv .  }
Program:
function: Find
inputs: Stoke-on-Trent
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: big city
function: QueryAttrQualifier
dependencies: 2
inputs: short name
Er
instance of
Answer: location identifier part of a library identifier code