answer: #Person2# introduces #Person1# to the origin and customs of the Dragon Boat Festival.
documents: #Person1#: I hear that there is a festival called Duanwu in China.
  #Person2#: Yes. It is also called Dragon Boat Festival.
  #Person1#: Why are you celebrating this festival?
  #Person2#: We celebrate it to commemorate a great patriotic poet of China, Qu Yuan.
  #Person1#: What do you do on that day?
  #Person2#: We'll have rice dumplings. What's more, there are also dragon boat matches in some places of southern China.
  #Person1#: I see.