answer: Mike and #Person1# both agree that the science exam was harder than before.
documents: #Person1#: How were your exams, Mike?
  #Person2#: Not too bad. But I'm sure I made some mistakes in the science paper and maths paper.
  #Person1#: Me, too. The science paper was not easy this time, was it?
  #Person2#: It seems that our new science teacher likes to give us tough exams.
  #Person1#: I have the same feeling. He looks only 25 or so.
  #Person2#: Maybe he hopes to make us pay more attention to his lessons in this way.
  #Person1#: Really?
  #Person2#: Well. I'm only joking.