Assertion: glider | /r/HasProperty | built by pow
Facets:
value: secretly
type: MANNER
Source sentences:
text: A glider – the Colditz Cock – was even built secretly by POWs as a potential escape method at Oflag IV-C near the end of the war in 1944.
text: A glider was even built secretly by POWs as a potential escape method at Oflag IV-C near the end of the war in 1944.