answer: #Person2# tells #Person1# that #Person2# didn't go to #Person1#'s party last night because #Person2#'s grandmother was hit by a car and #Person2# had to visit her at the hospital. Then they talk about the party.
documents: #Person1#: Why didn't you come to my party last night?
  #Person2#: I'm sorry. I couldn't make it. I had to go to visit my grandmother at the hospital.
  #Person1#: Is your grandmother ill?
  #Person2#: No, she was hit by a car.
  #Person1#: I'm so sorry to hear that. Was it serious?
  #Person2#: No, the driver stopped his car in time and just hit her slightly. But the doctor suggested she stay in hospital for several days, so how was the party?
  #Person1#: It was great. Everyone enjoyed themselves there.
  #Person2#: How many people went to your party?
  #Person1#: About 20. I invited all my friends and a few classmates. Oh, it's already 6:00 o'clock PM now. How about going to eat now?
  #Person2#: That's a good idea. There is a new Chinese restaurant down the street. How about going there?
  #Person1#: I just had some Chinese food today. How about French food or Italian food?
  #Person2#: I prefer the latter.
  #Person1#: OK.