Buy Nothing Day was first joined with Adbuster's Buy Nothing Christmas campaign.

Entity and relation annotations:
id: 0
type: entity
value: text: Buy Nothing Day
labels: <Event>
id: 1
type: entity
value: text: Adbuster
labels: <Organization>
id: 2
type: entity
value: text: Adbuster's Buy Nothing Christmas campaign
labels: <Event>
type: relation
to_id: 2
labels: Organization:Organization:Event
from_id: 1