Assertion: penguin's flipper | /r/ObjectUse | used for swimming
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Penguin wings are paddle-like flippers used for swimming, not flying.
text: Given these adaptations, the wings have become unfoldable flippers used in swimming.
text: These flightless birds have flippers that are often used for swimming and not for the birds flight.
text: Like those of all penguins, the little penguin’s wings have developed into flippers used for swimming.
text: Like those of all penguins, the little penguin's wings have developed into flippers used for swimming.
text: It has small flippers which are used for swimming and relatively long, wedge-shaped tail.