Assertion: boomerang's side | /r/HasProperty | flat
Facets:
Source sentences:
text: One side is flat, while the other is rounded, like the top of an airplane wing.
text: As the boomerang flies forward, it begins to slowly roll over (counterclockwise for a right-hander), ultimately flying horizontally with its flat side down.
text: As the boomerang flies forward, it begins to slowly roll over (counterclockwise for a right-hander), ultimately flying horizontally with its flat side down.