Assertion: stallion | /r/CapableOf | become aggressive
Facets:
value: very
type: DEGREE
Source sentences:
text: Some stallions within sight or sound of other horses may become aggressive or noisy, calling or challenging other horses.
text: The horses were kept in holding pens for six weeks, during which time the stallions became very aggressive and had to be separated; after this, the auction was cancelled and the horses released back to their range.