Assertion: hummingbird's feather | /r/HasProperty | beautiful
Facets:
Source sentences:
text: If such use had not been made illegal, hummingbirds might have been eliminated and we would not have an opportunity to watch the males perform their aerial acrobatics and flash their beautiful feathers.
text: To tell the females in his territory that he is ready to breed, a male hummingbird will puff out his chest and throat to show his beautiful feathers and then toss his head from side to side so the feathers will flash in the light.