answer: Tom is busy with the paper so he forgets their plans of going to Mary's, and Rose is angry.
documents: #Person1#: Why, Tom? It's five to six already and you are still writing here. 
  #Person2#: So what ? Are we going anywhere? 
  #Person1#: Yes , have you forgotten? We have arranged to go to Mary's to watch some videos tonight. 
  #Person2#: Oh , I'm sorry I forgot all about it. Well, can I take a rain check? 
  #Person1#: What's the matter with you ? You are the one that persuaded all of us to go there. 
  #Person2#: I'm terribly sorry, Rose. But I have to finish this paper by tomorrow or professor Martin will kill me.