The British Synchronised Swimming Championships are usually held in November or December each year.

Entity and relation annotations:
id: 0
type: entity
value: text: The British Synchronised Swimming Championships
labels: <Event>
id: 1
type: entity
value: text: November or December each year
labels: <Date>
type: relation
to_id: 1
labels: Event:Occurs_on:Date
from_id: 0