text: Amelia: What time is the test tomorrow?
  Olivia: It starts at 8.
  Amelia: So early???
  Olivia: It was supposed to be at 10, but the room will be taken for some events.
  Amelia: Good that you told me
  Amelia: I wanted to wake up at 5 and study 
  Olivia: Have you studied already?
  Amelia: A bit. 
  Olivia: Me too.
  Amelia: I guess I won't go to bed at all
  Amelia: If the test is so early...
  Olivia: I cannot. I have to sleep at least a few hours
  Olivia: Otherwise I won't perform well.
target: The test starts at 8 tomorrow. Amelia will study until late at night, but Olivia needs to sleep at least a few hours to be able to perform well. 