answer: #Person2# tells #Person1# that #Person2# goes to aerobics class to lose weight instead of keeping on a diet. #Person2# also praises #Person1# for the vitality.
documents: #Person1#: You look fresh recently. And.. what's your weight now?
  #Person2#: 110 pounds.
  #Person1#: Really? Congratulations! That's really something beyond my imagination. How did you make it? Did you keep on a diet?
  #Person2#: No, you know I can't bear eating less.
  #Person1#: Then do the slim pills take effect on you?
  #Person2#: I've quit it already. I go to aerobics class everyday instead.
  #Person1#: How's it going on?
  #Person2#: You see. I've lost my weight in spite of my good appetite.
  #Person1#: I'd better exercise my body too. My limbs are rusty now.
  #Person2#: I don't think so. You look full of energy every day. Time has stood still with you.
  #Person1#: Thank you.