answer: #Person1# blames #Person2# for shouting at #Person2#'s grandpa. #Person2# explains it's because #Person2#'s grandpa doesn't hear well. #Person1# apologizes for misunderstanding #Person2# and inquires about #Person2#'s grandpa and grandma.
documents: #Person1#: How can you be shouting at your grandpa? You can't be so rude!
  #Person2#: No, I don't want to be rude to him, but I had to shout so that he could hear me. My grandpa has something wrong with his ears. He doesn't hear well.
  #Person1#: I'm sorry. I misunderstood you. Your grandpa looks kind.
  #Person2#: Yes, he is kind to everybody in our small town. So we all respect him.
  #Person1#: He looks quite old now. He must be in his seventies, right?
  #Person2#: Yes, he is 75 years old this year.
  #Person1#: Though he looks so old, he is still in good health.
  #Person2#: Yes, of course, he gets up early every morning and does some exercise in our garden. That's why he is still in good health.
  #Person1#: How's your granny? Is she still in good health like your grandfather?
  #Person2#: She was 5 years younger than my grandfather, but she died of heart disease 3 years ago.
  #Person1#: I'm sorry to hear that. But old people really need taking good care of.
  #Person2#: Yes, I agree.