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.

Let me give you an example: Preheat oven to 325F and grease and flour a 10" tube pan.,Soak the nutmeg in the whiskey for ten minutes.,______,Cream butter and sugar together until fluffy.,Add eggs, one at a time until well incorporated.,Fold in remaining 1 1/4 cups flour, cream of tartar, baking soda, salt, soaked nutmeg and pecan/raisin mixture until well combined.,Spoon into prepared pan.,Bake for 1 hour and 15 minutes or until cake pulls away slightly from the edge of the pan.,Let stand in the pan for 30 minutes, then turn out onto cooling rack for complete cooling.,Store in an airtight container.
The answer to this example can be: Stir together pecans, raisins, and 1/4 cup flour; set aside.
Here is why: This is a good example, as we see the missing step is generated correctly from the available directions.

OK. solve this:
Clean any debris from sink.,Boil a gallon of water. Slowly, pour this down the drain. For minor clogs, this may do the trick. If not, continue with next steps.,Pour baking soda down the drain. Immediately follow this with the vinegar. The interaction between the two should be enough to break up the clog.,______,Pour two quarts of the boiling water down the drain after the 15-20 minutes, to rinse away the vinegar, baking soda and clogging debris.,Place the cup plunger over the sink drain and plunge to thoroughly dislodge the clogging materials.,Finish by pouring two more quarts of boiling water down the drain.
Answer:
Allow the sink to "rest" in this state for 15 to 20 minutes. Meanwhile, bring 4 quarts of water to a boil.