Assertion: mockingbird's leg | /r/HasProperty | long
Facets:
Source sentences:
text: Mockingbirds are grey and have long legs so they can easily look through the foliage; that means they hide pretty well, unlike a Robin.
text: The northern mockingbird is a medium-sized mimid that has long legs and tail.
text: Their long legs are perfect for looking through dead leaves and undergrowth for insects.