Assertion: rheumatoid arthritis's joint | /r/HasProperty | the most affected
Facets:
value: most severely
type: MANNER
value: usually
type: DEGREE
Source sentences:
text: Your joints are usually the most severely affected, but the inflammation can spread to other organs and systems.
text: Joints that bear weight -- like your knees, hips, feet, and spine -- are the most common places it affects.