Assertion: shark | /r/CapableOf | keep low profile
Facets:
value: during most of the mesozoic era
type: TEMPORAL
value: relatively
type: DEGREE
Source sentences:
text: Considering how common they were during the preceding geologic periods, sharks kept a relatively low profile during most of the Mesozoic Era, because of intense competition from marine reptiles like ichthyosaurs and plesiosaurs.