If you hold a party of fifty people, what food and drink should you at least prepare?

Cool for 50 people. It is suggested to arrange western-style self-help type. Drinks should be juice and coke. The drink can be red wine. Of course, drinking beer is not recommended for large parties. If you are all young people, you should prepare some. If there are fruits, grapes, apples, watermelons and the like, bananas are best not, but Dongdong's skin is not good. Food can be western snacks, such as French bread and doughnuts. ! !