How to distinguish the colors of the guide?

Use a white banner to prove that the deceased had a son. At least it can prove that the deceased had a daughter, not a lonely family. With banners, there will be grandchildren, which also proves that the deceased is not small and the children and grandchildren are full; With the great-grandchildren, there will be a red flag, and with the red flag, the funeral will be a happy event. In the eyes of ordinary people, as long as the deceased has red and green banners, someone will say that the deceased is really blessed.