They were contemporaries of The Beatles, and later had the same manager, Brian Epstein.

Entity and relation annotations:
id: 0
type: entity
value: text: Brian Epstein
labels: <Person>
id: 1
type: entity
value: text: The Beatles
labels: <Organization>
id: 2
type: entity
value: text: manager
labels: <Title>
type: relation
to_id: 1
labels: Person:affiliated_with:Organization
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0