answer: George tells his mother that marking the important parts of the book in different colors is his way of learning. He also takes notes on the notebook and sometimes writes a summary.
documents: #Person1#: Well, I see you've got your books, George. But are you reading? Looks like you're just coloring.
  #Person2#: I'm marking the important parts of the book. The colors are for different things.
  #Person1#: Like what?
  #Person2#: Main ideas are yellow. Important details to remember are pink and the light green is for difficult ideas.
  #Person1#: This seems like a lot of activities. Aren't you wasting your time?
  #Person2#: I don't think so, mom. I'll read it all tonight. I'll listen to it tomorrow. And then when it's time to study, I will already know most of the information.
  #Person1#: In my day, we just read the book and tried to remember the information.
  #Person2#: The teacher told us the importance of active reading. And it's the best way to learn at whatever speed you choose.
  #Person1#: I see. And what's this notebook for?
  #Person2#: That's for taking notes. What kind of things do you write down?
  #Person1#: Sometimes I write a summary. On this page I write down questions. And of course I have another page where I write down the new words.