When Waddell displayed his prowess for Milwaukee, Pittsburgh management asked for Rube's return.

Entity and relation annotations:
id: 0
type: entity
value: text: Waddell
labels: <Person>
id: 1
type: entity
value: text: Milwaukee
labels: <Location>
id: 2
type: entity
value: text: Pittsburgh management
labels: <Organization>
id: 3
type: entity
value: text: Rube
labels: <Person>