Assertion: duct | /r/HasProperty | blocked
Facets:
value: easily
type: MANNER
value: due to oral disease
type: CAUSE
Source sentences:
text: If there is a noticeable lack of blowing air through a specific vent, the duct may be blocked.
text: As rabbits have only one tear duct -- located very close to the tooth and gums -- the duct can be easily blocked due to oral disease (longtooth impaction is also very common in rabbits).
text: If the duct is still blocked after your child is 1 year old, he or she may need treatment.