Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to make bird suet balls [title] Collect animal fat. [step] Trim the fat off your beef, ham, and other meats. Store it in the freezer in a sealable container.

Ending1: [title] Place all treats and/or poultry in your favorite dish. [step] Put all kinds of things in your dish, with the exception of poultry. Ending2: It's best to store it in the refrigerator until before the spring harvest. [substeps] To save on moisture in the winter, use: brown shavings, baking soda, corn syrup, cornmeal, cow feed, cream cheese, and starchy vegetables. Ending3: Whole beef tenderloin should be stored in the freezer. [substeps] Do not use beef in cooking unless you have been instructed to by a vet. Ending4: Alternately, buy animal fat from your local butcher or grocery store. [substeps] If you don't want to render suet, you can buy ready-made suet from many pet stores.

Answer format: ending1/ending2/ending3/ending4