The barons of Burgundy divided over allegiance to Charles and Lothair.

Entity and relation annotations:
id: 0
type: entity
value: text: Burgundy
labels: <Location>
id: 1
type: entity
value: text: The barons
labels: <Organization>
id: 2
type: entity
value: text: Charles
labels: <Person>
id: 3
type: entity
value: text: Lothair
labels: <Person>
type: relation
to_id: 0
labels: Organization:located_in:Location
from_id: 1
type: relation
to_id: 3
labels: Person:competes_with:Person
from_id: 2