Assertion: harbor seal | /r/HasProperty | underwater
Facets:
value: for half an hour
type: TEMPORAL
value: for almost 30 minutes
type: TEMPORAL
value: at a time
type: TEMPORAL
value: without coming up for air
type: MANNER
Source sentences:
text: Harbor seals can dive to depths of 427 m and stay underwater for almost 30 minutes without coming up for air.
text: Although a typical foraging dive lasts for just a few minutes, the harbor seal can stay underwater for half an hour at a time.