Assertion: hippo's calf | /r/HasProperty | born in the water
Facets:
value: often
type: TEMPORAL
value: occasionally
type: DEGREE
Source sentences:
text: Gestation lasts about eight months, and the calves are occasionally born in the water at the height of the rainy season when the most grass is available.
text: Calves are born in the water, albeit shallow enough so they do not have to swim to breathe.
text: After a gestation of about 8 months, calves are often born in the water weighing between 55-150 pounds.