The event was filmed at Caesar's Palace in Las Vegas during The Comedy Festival.

Entity and relation annotations:
id: 0
type: entity
value: text: The Comedy Festival
labels: <Event>
id: 1
type: entity
value: text: Caesar's Palace
labels: <Location>
id: 2
type: entity
value: text: Las Vegas
labels: <Location>
type: relation
to_id: 2
labels: Location:located_in:Location
from_id: 1