Assertion: walrus's calf | /r/HasProperty | born
Facets:
value: during the spring migration
type: TEMPORAL
value: from april
type: TEMPORAL
value: during favorable environmental conditions
type: TEMPORAL
Source sentences:
text: This makes sure that the mother has the calf at a time when she has the necessary nutrition and energy, and that the calf is born during favorable environmental conditions.
text: Calves are born during the spring migration, from April to June.
text: As soon as the calf is born, it can swim.
text: Calves are born during the spring migration, from April to June.
text: When the calves are born, they immediately know how to swim.