Assertion: lupus's joint | /r/HasProperty | stiff
Facets:
Source sentences:
text: Lupus may cause swollen, tender, stiff, or warm joints.
text: A person will generally only see a rheumatologist for psoriasis if their joints are stiff or swollen or they have psoriatic arthritis.
text: When disease is active and joints are painful, swollen or stiff, it is important to rest to reduce inflammation and fatigue.