You will be given a definition of a task first, then some input of the task.
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.

Beat butter until creamy.,Gradually add sugar, beating until fluffy.,Blend in egg and vanilla.,Sift together flour, soda and salt.,Add to creamed mixture; blend well.,______,For ease in handling, chill dough about 1 hour.,Shape to form 1-inch balls.,Place on ungreased cooky sheets.,Flatten slightly with bottom of glass dipped in sugar.,Insert flat wooden stick or wooden skewer into each.,Bake in preheated moderate oven (375 F. ) 10 to 12 minutes; cool.,Frost cookies with confectioners' sugar frosting.,Attach chocolate shot for hair and gumdrop pieces for eyes, nose and mouth.,For girl cookies, pipe a bow onto hair with thick frosting.,Tie a ribbon bow onto stick for boy's bow tie.,When frosting is set, insert sticks into large gumdrops so that cookies stand up.
Output:
Stir in oats.