Piratefest is held at the David L. Lawrence Convention Center in downtown Pittsburgh.

Entity and relation annotations:
id: 0
type: entity
value: text: the David L. Lawrence Convention Center
labels: <Location>
id: 1
type: entity
value: text: downtown Pittsburgh
labels: <Location>
id: 2
type: entity
value: text: Piratefest
labels: <Event>
type: relation
to_id: 0
labels: Event:Occurs_at:Location
from_id: 2
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 0