Thereafter the corps joined the "Fall Blau" offensive towards Stalingrad under Army Group B.

Entity and relation annotations:
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type: entity
value: text: Army Group B
labels: <Organization>
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value: text: Stalingrad
labels: <Location>
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type: entity
value: text: the "Fall Blau"
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labels: Event:Occurs_at:Location
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type: relation
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labels: Organization:Organization:Event
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