Assertion: manatee | /r/CapableOf | spend half of their day
Facets:
value: at intervals
type: TEMPORAL
value: approximately
type: TEMPORAL
Source sentences:
text: They spend half of their day sleeping in the water, surfacing for air every 20 minutes.
text: The manatee spends approximately half of each day sleeping in the water.
text: Manatees spend about half of their days sleeping underwater, surfacing regularly for air at intervals of less than 20 minutes.
text: They spend half of their day sleeping in the water, surfacing for air regularly, and at intervals of not longer than 20 minutes.