Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get supplies for your new dog [title] Purchase food and water bowls. [step] Find food and water bowls that are appropriately sized and will not hold bacteria. Generally, stainless steel bowls will be a little better than plastic, since plastic bowls can be chewed up and then hold onto bacteria.

Ending1: Avoid plastic, since it keeps bacteria of food at bay and can also cause a build-up when your new dog goes outside. Ensure that the food and water bowls you purchase are soft. Ending2: Ceramic bowls can be fine but are less durable than either plastic or steel. [substeps] Plastic bowls contain chemicals that, if eaten, could influence your dog's hormonal balance. Ending3: Stainless steel bowls can also get stained or rubbed with bacteria, which will make them less attractive to your dog. [substeps] If you choose to buy these bowls, you'll need some space to ensure they don't spill over the sides and get dirty when you clean them. Ending4: Stainless steel bowls can be purchased at your local pet supply store. [substeps] Make sure the bowls you purchase fit your dog's walking shape.

Answer format: ending1/ending2/ending3/ending4