Assertion: lupus's symptom | /r/HasProperty | unexplained fever
Facets:
Source sentences:
text: The most common symptoms are painful or swollen joints (arthritis), unexplained fever and extreme fatigue, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS).
text: The most common symptoms of lupus are extreme fatigue, skin rashes, joint pain, and unexplained fevers.
text: Other early symptoms are unexplained fever and pain, swelling, and stiffness of multiple joints.