answer: Mike thinks that his weekend was good because he visited his grandma in the countryside and walked with his friends in the hills, while Lisa has got a cold.
documents: #Person1#: Hi. Mike. How did your weekend go?
  #Person2#: Fine. I went back to visit my grandma in the countryside.
  #Person1#: Lucky you. What did you do there?
  #Person2#: I went for a walk in the hills with some of my friends.
  #Person1#: Was it good?
  #Person2#: Yes. the scenery was amazing. The whole hillside was very red.
  #Person1#: How wonderful! Do anything else?
  #Person2#: We went on a picnic on Sunday.
  #Person1#: Did you like it?
  #Person2#: Very enjoyable. By the way, Lisa. what about your Weekend?
  #Person1#: Don't ask me. Mike.
  #Person2#: What happened?
  #Person1#: I have got a cold. I could do nothing but lie in bed.
  #Person2#: Oh. dear.