The Gun and Knife Show happens the first Saturday and Sunday of March.

Entity and relation annotations:
id: 0
type: entity
value: text: The Gun and Knife Show
labels: <Event>
id: 1
type: entity
value: text: the first Saturday and Sunday of March
labels: <Date>
type: relation
to_id: 1
labels: Event:Occurs_on:Date
from_id: 0