Assertion: walrus's calf | /r/CapableOf | stay with their mother
Facets:
value: for 2-3 years
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: the calves stay with their mother for 2-3 years.
text: Calves typically stay with their mothers for two years and weigh approximately 750 pounds when they become independent.
text: The calves will nurse from their mothers for a year or more, and can remain with their mothers as long as 5 years.