Jehovah's Witnesses District Conventions are held annually at the Dow Event Center.

Entity and relation annotations:
id: 0
type: entity
value: text: Jehovah's Witnesses District Conventions
labels: <Event>
id: 1
type: entity
value: text: the Dow Event Center
labels: <Location>
id: 2
type: entity
value: text: Jehovah's Witnesses
labels: <Organization>
type: relation
to_id: 1
labels: Event:Occurs_at:Location
from_id: 0
type: relation
to_id: 0
labels: Organization:Organization:Event
from_id: 2