Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to develop a holistic cat food recipe for whole health [title] Combine all of the ingredients in a stainless steel pot with enough water to cover. [title] Bring to a boil, then lower the heat and simmer for 30 minutes, or until the sweet potatoes are tender. [title] Remove from the heat and let cool.

Ending1: [step] Pour cool water into the blender for you. [substeps] You can add your own ingredients but the more precise your results, the better. Ending2: [title] Blend all the ingredients into a nice puree. [step] With an electric hand mixer, or using a food processor and working in batches. Ending3: [step] If you can handle this, a bowl will work as well. A slow cooker will also work, although it can take longer. Ending4: [step] Pour into a dish or bowl and garnish with cream and fresh blueberries. [substeps] If using butter, wait a few minutes before spooning in some cream or adding the raw berries.

Answer format: ending1/ending2/ending3/ending4