Assertion: nile crocodile | /r/CapableOf | remain underwater
Facets:
value: for up to two hours
type: TEMPORAL
value: at a time
type: TEMPORAL
Source sentences:
text: They can swim underwater for 30 minutes before needing fresh oxygen, and they can remain stock-still underwater for up to two hours at a time.
text: They can swim underwater for 30 minutes before needing fresh oxygen, and they can remain stock-still underwater for up to two hours at a time.