answer: #Person1# asks #Person2# to stop watching more TV because it's bedtime. #Person2# is initially unwilling but later agrees because of #Person2#'s exams.
documents: #Person1#: It's time for bed.
  #Person2#: But I'm not sleepy, Mum. Can I stay and watch more TV?
  #Person1#: It's already half past eleven. You have school tomorrow. You'll sleepy all tomorrow, if you don't sleep well tonight.
  #Person2#: I know. But I promise I won't be sleepy tomorrow. I work really hard.
  #Person1#: Don't you have the exams coming up soon? I'm sure you could spend more time preparing for those.
  #Person2#: Oh, I nearly forgot the exams.
  #Person1#: You do well in maths, but your history is not good enough. Am I right?
  #Person2#: Yeah, I guess so. Maybe I can go to sleep now and get up early to review the lessons tomorrow.
  #Person1#: An excellent idea. Work now and play later.
  #Person2#: I know you're right. School is more important than TV. Can I watch one more show, then go to bed.
  #Person1#: No, now it's bedtime.