query: مرض التصلب العصبي المتعدد هو مرض يصيب الجهاز العصبي المركزي، الي يتكون من الدماغ والحبل الشوكي والعصب البصري.
positive: MS is a disease that affects the central nervous system, which is made up of the brain, the spinal cord and the optic nerve.
negative: MS is a disease that affects the peripheral nervous system, which is made up of the brain, the spinal cord and the optic nerve. MS is no disease that affects the central nervous system, which is made up of the brain, the spinal cord and the optic nerve.