Request the elder you are cooking with to thinly cut the chicken breasts diagonally. Also ask them to cut each tomato into preferably 8 thin slices (4 for each sandwich).
With clean hands lay 4 bread slices on a serving plate. Divide the greens equally in 4 parts and arrange them evenly over the breads.
Lay 4 tomato slices over the salad on each bread slice.