Assertion: arthritis's joint | /r/Causes | pain
Facets:
Source sentences:
text: Regardless of whether the cause is from injury, normal wear and tear, or disease, the joint becomes inflamed, causing swelling, pain and stiffness.
text: The joint becomes inflamed, causing pain and swelling.
text: When the immune system attacks itself, the result is inflammation in a joint that can cause pain, stiffness, and mobility problems.
text: Arthritis is inflammation in the joints, which also causes symptoms such as pain and stiffness.