1. Justine is a wedding coordinator. She is selecting the menu options for the reception. First, she will give the guests a choice of Salad or Soup for the first course. Then, she will allow them to pick from a chicken, steak, or a vegetarian for their main course. Finally, she will allow the guests to choose bride's strawberry cake or groom's chocolate cake. Create a tree diagram showing every plausible dinner a guest could select: