Assertion: shark's jaw | /r/HasProperty | opened
Facets:
Source sentences:
text: The teeth are unattached to the jaw and are retractable, like a cat's claw, moving into place when the jaw is opened.
text: The great white sharks teeth rotate on their own axis, moving outward when the jaw is opened and inward when the jaw is closed.
text: They will again become straight soon after the jaw is opened.