answer: #Person2# thinks it's tired to help international students with their studies but rewarding to see these students make progress. #Person1# agrees.
documents: #Person1#: Are you all right? You look off color.
  #Person2#: I'm OK. I feel a bit tired. That's all.
  #Person1#: That is because you work too hard, I suppose.
  #Person2#: I guess so. Do you remember the new student in my class?
  #Person1#: The boy from Haiti?
  #Person2#: Yes, he is having a hard time communicating since he doesn't speak much English.
  #Person1#: Do you have any other students from immigrant families in your class?
  #Person2#: Oh, yes. This year we have a Korean, a Japanese, and a Chinese student. I spend a lot of time with them so that they can catch up.
  #Person1#: I know. It's very kind of you to help them with their studies.
  #Person2#: But it's really rewarding to see them make progress and fit well into the group.
  #Person1#: That's true.