Assertion: parrot | /r/CapableOf | become aggressive
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Although parrots can be very affectionate and cute when immature, they often become aggressive when mature (partly due to mishandling and poor training) and may bite, causing serious injury.
text: Although parrots can be very affectionate and cute when immature, they often become aggressive when mature (partly due to mishandling and poor training) and may bite, causing serious injury.