Assertion: humpback whale | /r/HasAspect | baleen
Facets:
value: to strain out water
type: PURPOSE
value: inside their mouths
type: LOCATION
Source sentences:
text: They are called baleen whales because they have baleen, a fringe like filter in their mouth used to capture small fish and plankton for food!
text: They have baleen, filter-feeder system inside their mouths, to strain out water and keep in plankton, krill and small fish to swallow and eat.