Assertion: female zebra | /r/HasAspect | her first foal
Facets:
value: possibly
type: OTHER
value: by age
type: OTHER
value: by the age of three
type: TEMPORAL
Source sentences:
text: A female zebra can have her first foal by the age of three, and can give birth to a foal every twelve months.
text: Female zebras mature prior to the males, and a mare could possibly have her first foal by age three.