Assertion: fingernail | /r/CapableOf | turn black
Facets:
Source sentences:
text: If your fingernail is damaged, like in a sports injury, but turns black and remains intact instead of falling off, your medical care provider may want to remove it to allow a new nail to grow properly in its place.
text: This is the same thing that happens when a person injures their finger and their fingernail turns black.