Please choose the correct ending to complete the given sentence: Making a sandwich: A man shows ingredients for a mortadella sandwich. The man cuts the bred in four pieces and puts mustard and then brown on the stove. then

Ending1: , the man fries an egg and puts it on the bread as well the mortadella, green leaves, cheese and ketchup. Ending2: , the man puts chopped onions on a sandwich portion and cut the sandwich with mayonnaise. Ending3: , the man put butter or oil in a sandwich and mix with green and white potatoes in a frying pan. Ending4: he use vinegar, twizzlers and onions to mix the dough.

Answer format: ending1/ending2/ending3/ending4