Assertion: dolphin's birth | /r/CapableOf | take 4 to 5 hours
Facets:
value: in captivity
type: LOCATION
Source sentences:
text: Gestation is estimated to be around eleven months and captive births take 4 to 5 hours.
text: The gestation period lasts for about 11 months to 1 year, and in captivity, the birth takes around 4 to 5 hours.