Assertion: simple canker sore | /r/CapableOf | last up to week
Facets:
Source sentences:
text: These may appear three or four times a year and last up to a week.
text: Simple canker sores are often seen in people under the 20-years-old, and may last only for a week or so.
text: Simple canker sores can appear up to 4 times a year and last up to a week, typically found in people between the ages of 10 and 20 years old.