Assertion: koala | /r/CapableOf | spend 18 to 20 hours
Facets:
value: a day
type: TEMPORAL
Source sentences:
text: Koalas spend 18 to 20 hours a day sleeping, but that doesn't mean it has to be a boring 20 hours.
text: Koalas spend about 18 to 20 hours a day dozing in a tree.