Assertion: whale | /r/CapableOf | use blubber
Facets:
value: for energy
type: PURPOSE
value: during times
type: TEMPORAL
value: for heating
type: PURPOSE
Source sentences:
text: In the past, mankind hunted many species of whales so that they could use their oil and blubber for heating.
text: Some whales can also use their blubber for energy during times when food is scarce or during long trips.