Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to chill a keg of beer [title] Prepare a tub for the keg. [step] To chill a keg, you will need a large, durable container into which the keg will fit with a little room surrounding it. The best option is buying a specialized keg tub, which can be found at many liquor stores and home brewing supply stores.

Ending1: [substeps] Your keg should not be wrapped in aluminum foil. If you plan to defrost the keg, hang it from the top of the tub or on top of a vegetable board where it will cool. Ending2: [substeps] Another ideal container is a large trash can. Most high-capacity outdoor trash cans can easily fit a keg of beer inside with room to spare. Ending3: Measure the bottle into the container and use the tip of your finger or a pencil to press down lightly on the keg container. [substeps] Purchase a small amount of cold soda, so that you can start measuring the keg for colder beers. Ending4: [substeps] Fill the keg with something fresh like lemon juice. Some standard keg tubs include a built-in plug, for example, a styrofoam circle at the bottom of a storm door.

Answer format: ending1/ending2/ending3/ending4