Assertion: castle's tower | /r/CapableOf | sit on flat ground
Facets:
value: with no mound around it
type: OTHER
value: in the 12th century
type: TEMPORAL
Source sentences:
text: The tower was a square, free-standing building, 52 feet (16 m) by 52 feet (16 m) and at least two storeys tall; in the 12th century the tower sat on flat ground with no mound around it.