Assertion: manatee's calf | /r/CapableOf | swimming to the surface
Facets:
value: on own
type: MANNER
value: to the surface
type: TRANSITIVE-OBJECT
value: in the few cases
type: TEMPORAL
Source sentences:
text: In the few cases in which births have been observed in captivity, the newborn calf is capable of swimming to the surface on its own, although the attentive behavior of the mother may give the impression that she is assisting the calf.