Assertion: rheumatoid arthritis | /r/HasProperty | chronic autoimmune disease
Facets:
Source sentences:
text: Rheumatoid arthritis (RA) is a chronic autoimmune disease that causes stiffness, pain, loss of mobility, inflammation, and erosion (deterioration) in the joints.
text: Rheumatoid arthritis (RA) is a chronic autoimmune disease that causes pain, swelling, stiffness, and loss of function in the joints.