Task: Question Answering
Input (English): Question: What characterizes the physiological aging process of the musculoskeletal system? 
 Options:  <1> Synovial thinning. <2> Lumbar kyphosis more pronounced. <3> Breakage of the articular surfaces. <4> Shortening of muscular latency and relaxation periods. <5> Decrease in bone connective tissue.
Output (English): 5