Assertion: whale | /r/CapableOf | remain submerged
Facets:
value: under water
type: LOCATION
value: for long periods of time
type: TEMPORAL
value: for 20 minutes
type: TEMPORAL
Source sentences:
text: On average, whales can remain submerged for 20 minutes.
text: As such, whales must breathe air regularly, although they can remain submerged under water for long periods of time.