answer: #Person2# tells #Person1# that #Person2# keeps fit by doing yoga and going swimming.
documents: #Person1#: You look terrific and in good shape.
  #Person2#: Thank you.
  #Person1#: How do you keep fit?
  #Person2#: I do yoga twice a weeks
  #Person1#: Yoga? It sounds interesting.
  #Person2#: It was hard at the beginning, but now feel it's really relaxing. It makes me flexible.
  #Person1#: Anything else?
  #Person2#: Yes, I often go swimming.
  #Person1#: Are you interested in swimming?
  #Person2#: Yes, I like it very much.