Manning worked for the War Office during World War One.

Entity and relation annotations:
id: 0
type: entity
value: text: Manning
labels: <Person>
id: 1
type: entity
value: text: the War Office
labels: <Organization>
id: 2
type: entity
value: text: during World War One
labels: <Date>
id: 3
type: entity
value: text: World War One
labels: <Event>
type: relation
to_id: 1
labels: Person:affiliated_with:Organization
from_id: 0