Assertion: canker sore | /r/HasProperty | caused
Facets:
value: by taking these drugs
type: MANNER
Source sentences:
text: Canker sores are thought to be caused by or triggered by these factors:
text: When you suspect that your canker sores are caused by taking these drugs, consult your doctor about changing your drugs first.
text: Make sure that you do not consume any food that you are allergic or sensitive to, as canker sores could be caused due to allergies.