Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Osteoarthritis ?
    ### Response:
    Warning signs of osteoarthritis include -  joint pain  -  swelling or tenderness in one or more joints  -  stiffness after getting out of bed or sitting for a long time  -  a crunching feeling or sound of bone rubbing on bone.  joint pain swelling or tenderness in one or more joints stiffness after getting out of bed or sitting for a long time a crunching feeling or sound of bone rubbing on bone.
    