answer: Colin is still tired because of jet lag. #Person1# is happy to visit the Summer Palace with Colin.
documents: #Person1#: Hi Colin. How are you feeling today?
  #Person2#: Oh, I feel ok but I'm still very tired.
  #Person1#: It's probably jet lag.
  #Person2#: I think so. One minute I feel quite awake, and the next I feel very tired.
  #Person1#: Do you want to visit any tourist spots in the city?
  #Person2#: Oh yes, I'm very interested in Chinese history so I'd like to visit the Summer Palace.
  #Person1#: Good idea. I'd be very happy to go there.