Assertion: knuckle | /r/HasProperty | vulnerable
Facets:
value: to various forms of injury
type: OTHER
value: through the skin
type: MANNER
Source sentences:
text: A knuckle joint is very flexible and is vulnerable to various forms of injury.
text: The joint capsule at these joints forms the knuckle that is visible through the skin that covers it.
text: : A knuckle joint is very flexible and is vulnerable to various forms of injury.