What happens next in this paragraph?

He begins spreading mayonnaise on slices of bread. He puts lettuce on the bread. He stacks tomatoes on top of the lettuce on the bread. he
Select from:
(1). wraps them in brown paper.;
(2). spreads mayo on the bread.;
(3). puts chicken on top of the tomato.;
(4). then cuts the tomato into halves to create a sandwich.;
(3).