Assertion: porpoise's calf | /r/CapableOf | die before adulthood
Facets:
value: often
type: TEMPORAL
value: due to human impact on the environment
type: CAUSE
Source sentences:
text: A calf born in June at the dolphinarium—founded in 1980—is just the second produced there to survive more than 100 days, while wild calves often die before adulthood due to human impact on the environment.