Johnson served in the Eastern United States, New York and Upper Canada.

Entity and relation annotations:
id: 0
type: entity
value: text: Johnson
labels: <Person>
id: 1
type: entity
value: text: the Eastern United States
labels: <Location>
id: 2
type: entity
value: text: New York
labels: <Location>
id: 3
type: entity
value: text: Upper Canada
labels: <Location>
type: relation
to_id: 1
labels: Person:works_at:Location
from_id: 0
type: relation
to_id: 2
labels: Person:works_at:Location
from_id: 0
type: relation
to_id: 3
labels: Person:works_at:Location
from_id: 0