answer: Tess and Tom plan to go for a picnic with drinks and food tomorrow. Tess will ask whether Jack and Mary can come.
documents: #Person1#: Hi, Tess. What are you going to do tomorrow?
  #Person2#: Hi, Tom. I don't have much to do. Why?
  #Person1#: Shall we go for a picnic tomorrow? Let's go to National Park. It's beautiful there.
  #Person2#: A good idea. When shall we start?
  #Person1#: At six in the morning. I've got some drinks and several kinds of food.
  #Person2#: Good. I've just bought some bread. And I'll go to buy a roast duck. We'll certainly have a good time.
  #Person1#: Wonderful. Shall we ask Jack and Mary?
  #Person2#: OK! They are free tomorrow, too. I think they would be glad to go with us. Will you tell them about it?
  #Person1#: I'm sorry. I am going to a birthday party this evening. So it would be kind of you to do it.
  #Person2#: All right.