Assertion: boomerang's wing | /r/HasProperty | connected at angle
Facets:
Source sentences:
text: A returning boomerang has two (or in some modern examples karro than two) wings connected at an angle.
text: If we look at the boomerang at first, it may seem simple because it only consists of two wings connected at an angle, which somehow looks like a right angle, and one of them is a bit longer than the other.