Please choose the correct ending to complete the given sentence: Making a sandwich: A person is making a sandwich on a plate. They slice an egg and put it on the sandwich. the cut up an avocado

Ending1: and put it on the sandwich. Ending2: and oil are in a cup. Ending3: is used in a baking pan and stirred. Ending4: and a lemon slice are put onto the sandwich.

Answer format: ending1/ending2/ending3/ending4