A: What do you want?
B: I don't know, I'm not very hungry.
B: What are you having?
A: I see that they have mushroom soup.
A: I'm definitely having that.
B: I'm not having the soup.
B: I think I'll just have the salad.
A: You on a diet?
B: Why? Do you think I should be? Thanks!
B: I'm not on a diet, I just had a terribly late breakfast.
