Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make cotton candy flavored popcorn [title] Place the popcorn kernels in a paper bag. [step] For cotton candy flavored popcorn, plain, air popped popcorn works best. Add 9 tablespoons (113 g) of unpopped popcorn to a brown paper bag, and fold the bag closed several times.

Ending1: Seal the bag and set the bag in the refrigerator. [substeps] Choose your candy wrappers and paper cutouts after the popcorn kernels are sealed. Ending2: [substeps] You only need to empty a small amount of kernels into the bag first, and then add enough to make 3 to 4 popcorn pieces. If you have bags large enough to cover the popcorn kernels, wipe the bottom of each bag off with a clean paper towel. Ending3: [substeps] When you're making a large amount of popcorn, it may burst out of the bag when it pops. You may want to use a piece of tape to secure the bag closed. Ending4: Do not twist the bag as you place the popcorn kernels in the bag. [substeps] Air popped popcorn looks similar to the kind used in films.

Answer format: ending1/ending2/ending3/ending4