Assertion: rheumatoid arthritis's joint | /r/HasProperty | affected with time
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: With time, multiple joints are affected (polyarthritis).
text: Some people with rheumatoid arthritis will only have one or two joints affected at a time and sometimes the arthritis seems to move round the joints.
text: RA symptoms also tend to occur symmetrically; that is, joints on both sides of the body are usually affected at the same time.
text: With time, multiple joints are affected (polyarthritis).