The Army participated in Stalingrad strategic offensive Operation Uranus.

Entity and relation annotations:
id: 0
type: entity
value: text: Operation Uranus
labels: <Event>
id: 1
type: entity
value: text: Stalingrad
labels: <Location>
id: 2
type: entity
value: text: The Army
labels: <Organization>
type: relation
to_id: 0
labels: Organization:Engagement:Event
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type: relation
to_id: 1
labels: Event:Occurs_at:Location
from_id: 0