Assertion: filly | /r/HasProperty | mature
Facets:
value: sexually
type: MANNER
value: by age
type: OTHER
value: by two
type: OTHER
Source sentences:
text: Fillies are sexually mature by two and are sometimes bred at that age, but generally, they should not be bred until they themselves have stopped growing, usually by four or five.
text: Fillies are sexually mature by age two and are sometimes bred at that age, but generally should not be bred until they have stopped growing, usually by age four or five.