answer: #Person2# tells #Person1# about the Chinese Lover's Day.
documents: #Person1#: Why don't we Chinese have our own Valentine's Day?
  #Person2#: Of course we have. It's on the seventh day of the seventh lunar month.
  #Person1#: Oh? Why is that day?
  #Person2#: It is said that the Cowherd and the Spinster, the lover stars in heaven, can only meet on the seventh Eve, so this day has become the Lover's Day.