Assertion: arthritis | /r/HasProperty | characterized by ankylosing
Facets:
Source sentences:
text: Arthritis that is characterized by a misdirected, overactive immune system (such as rheumatoid arthritis or ankylosing spondylitis) frequently requires medications that suppress the immune system.
text: Arthritis that is characterized by a misdirected, overactive immune system (such as rheumatoid arthritis or ankylosing spondylitis) frequently requires medications that suppress the immune system.