Assertion: albatross | /r/CapableOf | sleep in flight
Facets:
Source sentences:
text: A common assumption is that albatrosses must be able to sleep in flight, although no direct evidence has ever been obtained.
text: A common assumption is that albatrosses must be able to sleep in flight, although no direct evidence has ever been obtained.
text: Albatross sleep in flight.
text: Albatross sleep in flight.