Assertion: humpback whale's calf | /r/HasProperty | 4 - 5 m
Facets:
value: in length
type: OTHER
value: at birth
type: TEMPORAL
Source sentences:
text: At birth the calf is 4 - 5 m (13 - 16 ft) in length and they weigh in the region of 1,350 kgs (2,976 lbs).