Assertion: manatee's calf | /r/HasProperty | depend on the mother
Facets:
value: for several years
type: TEMPORAL
value: for about two months
type: TEMPORAL
Source sentences:
text: The calf may depend on the mother for several years.
text: Calves depend on their mothers for about two months.
text: Gestation periods for West Indian manatees range from 12 to 14 months and calves are dependent on their mothers for about 2 years.