Assertion: canker sore's cause | /r/HasProperty | vitamin b12 deficiency
Facets:
value: generally
type: DEGREE
Source sentences:
text: It is also good to take vitamin B12 if the cause is vitamin B12 deficiency.
text: The cause for mouth sores and aphthae worsening due to vitamin and mineral deficiencies are generally B3, B9 and B12 vitamin deficiencies.