Assertion: canker sore | /r/HasProperty | surrounded
Facets:
value: often
type: DEGREE
value: by reddish lining
type: OTHER
Source sentences:
text: Canker sore is commonly white and surrounded by reddish lining.
text: The canker is often round and surrounded by reddish, inflamed-looking flesh.
text: The canker is often round and surrounded by reddish, inflamed-looking flesh.