Assertion: keel | /r/AtLocation | civilian internment camp
Facets:
value: at ruhleben in germany
type: LOCATION
value: during world war i
type: TEMPORAL
Source sentences:
text: During World War I, Keel was held in the civilian internment camp at Ruhleben in Germany, where he played an active role in the camp's musical life, giving many recitals to help boost the morale of his fellow detainees.