Assertion: rheumatoid arthritis's joint | /r/CapableOf | rub against each other
Facets:
Source sentences:
text: Some types of surgery may involve fusing parts of bone in the joint that are rubbing against each other.
text: It usually occurs with age or due to a prior joint injury and causes the joints to rub against each other.
text: It usually occurs with age or due to a prior joint injury and causes the joints to rub against each other.