Assertion: rattlesnake's rattle | /r/HasProperty | a series of hard segments
Facets:
Source sentences:
text: The rattle is a series of hard segments made of keratin.
text: The rattle is a series of hard segments made of keratin.
text: The rattle is a series of hard segments made of keratin.
text: The rattlesnake's rattle is a series of hard segments made of keratin.