answer: #Person1# thinks Linda is thin, but Linda says she's on the diet.
documents: #Person1#: Linda, would you care for some candies or cookies?
  #Person2#: No, don't try to tempt me. I'm becoming chubby, and I have to slender down.
  #Person1#: You are not really chubby. You are actually thin enough.
  #Person2#: I don't think so. I know I've put on weight this winter.
  #Person1#: So you are watching your weight, aren't you?
  #Person2#: Yes, to tell you the truth. I am on the diet.