answer: #Person2# tells #Person1# about the United Nations Day, including the date, the ways to celebrate it, and the purpose of the celebration.
documents: #Person1#: What is so special about tomorrow?
  #Person2#: Tomorrow is October the twenty-forth, United Nations Day.
  #Person1#: Why is October the twenty-forth United Nations Day?
  #Person2#: That's the date in 1945, when the United Nations began.
  #Person1#: How does your school celebrate United Nations day?
  #Person2#: The UN Day celebration includes the songs and dances of different countries in the United Nations and the traditional dress parade. Our school library display students' works of art from different countries and cultures. We also hold a taste from around the World Food Festival.
  #Person1#: What's the purpose of the celebration?
  #Person2#: To help our students learn about other cultures and understand and respect other cultures.
  #Person1#: It is really worthwhile.