answer: Mary suggests walking in the park because it's a wonderful day. #Person1# agrees. They find many people are in the park.
documents: #Person1#: Hello, Mary. Nice day, isn't it?
  #Person2#: Yes, what a wonderful day! The sky has cleared up in the end.
  #Person1#: I do feel like an outdoor exercise. After all, we haven't had such a beautiful day for a long time.
  #Person2#: How about taking a walk in the park?
  #Person1#: OK. It's delightful to have a walk in the park with the air so fresh.
  #Person2#: ( After they entering the park ) Great, it's so quiet here. We have the park to ourselves, only you and me.
  #Person1#: Are you kidding? Don't you see many people over there? Just on your right.
  #Person2#: Oh, I see them. Beautiful weather should be shared by all the people.
  #Person1#: Ah, you changed so fast.