answer: #Person2# eats a healthy diet and follows the principles of good nutrition. #Person1# thinks the healthy diet isn't tasty but needs them to keep fit.
documents: #Person1#: Look at this. This magazine has some guidelines for having a healthy diet.
  #Person2#: When you have finished it, I'd like to see that. I've been thinking about what I am eating recently. I want to get some more ideas about nutrition and good health.
  #Person1#: I've noticed that you aren't eating much junk food and are avoiding food with too much fat. I know this diet is healthy, but...
  #Person2#: What are you thinking? Isn't this diet very tasty or satisfying?
  #Person1#: No, I don't think it's tasty but I know it is important to have healthy food to keep fit.
  #Person2#: Following the principles of good nutrition will help us to be healthy and enjoy a better life.
  #Person1#: But sometimes I'd like to enjoy a piece of rich cheesecake.
  #Person2#: Having one serving of cheesecake once in a while is not a problem. We just can't have too much and too often.