Assertion: whale's calf | /r/HasProperty | born at 1 short ton
Facets:
value: in 4–6 m
type: LOCATION
Source sentences:
text: Gestation tends to last a year, and calves are born at 1 short ton (0.91 t; 0.89 long tons) in weight and 4–6 m (13–20 ft) in length.