   neutral   What kind of sports?     neutral   Aerobic sports, for example, jogging, yoga, skating...  
    neutral   Interesting. What were you reading just now?     neutral   Stretching exercise after sitting a long time.  
    surprise   Really? That sounds interesting!     neutral   
 I read about how to keep fit in middle age, and it is quite useful because people get old
 It's good. I have done it twice and my back feels very comfortable! 