Definition: In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.
Input: Cream the butter and margarine.,Add sugar gradually; continue beating.,Add eggs, one at a time; mix well.,______,Add milk after each addition of flour.,Grease and flour 3 layer cake pans.,Bake in a 300 oven until browned and shrinks from sides of pan.,Remove cake from pans; place on wire racks. When cool, spread with your favorite jelly.,Spread lemon frosting on top and sides.
Output:
Add flour, bit by bit.