Campbell was serving as a scout for Major General Middleton.

Entity and relation annotations:
id: 0
type: entity
value: text: Campbell
labels: <Person>
id: 1
type: entity
value: text: Middleton
labels: <Person>
id: 2
type: entity
value: text: Major General
labels: <Title>
id: 3
type: entity
value: text: scout
labels: <Title>
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 1
type: relation
to_id: 3
labels: Person:holds_title:Title
from_id: 0
type: relation
to_id: 1
labels: Person:business/work:Person
from_id: 0