answer: Sarah tells #Person1# that she's worried about her speech because she doesn't know how to cover so many things about British history in 3 minutes.
documents: #Person1#: Hi, Sarah. How's your speech for Professor Grey's class next Monday?
  #Person2#: Actually, I'm a bit worried.
  #Person1#: Why should you? What's going on?
  #Person2#: You know, what I chose to talk about is British history.
  #Person1#: Really? That is a big topic.
  #Person2#: Yes. There are so many things to cover. I just can't see how to do it in a 3 minute speech.