Assertion: dolphin's body | /r/HasProperty | warm
Facets:
value: due to a layer of fat
type: CAUSE
value: due to the presence of the blubber
type: CAUSE
Source sentences:
text: Migration often occurs for dolphins to ensure they can find food and to make sure they are in bodies of water that are warm enough.
text: Their body will be warm due to the presence of the blubber or a layer of fat located under the skin.