Assertion: rheumatoid arthritis's system | /r/CapableOf | attack cell
Facets:
value: mistakenly
type: MANNER
value: in people with ra
type: OTHER
value: in the lining of their joint
type: LOCATION
Source sentences:
text: In people with RA, the immune system mistakenly attacks the cells in the lining of their joint, resulting in inflammation of the joints, making them swollen, stiff, and painful.