Assertion: sized songbird | /r/HasProperty | small thrush
Facets:
Source sentences:
text: The Eastern bluebird is a medium sized songbird (small thrush), with a short tail, chunky body, large round head, short black bill, a reddish-orange chest, and blue wings and tail (the female is a drab gray-blue with duller reddish chest, and juveniles have a spotted chest and back).