Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make berry icing [title] Soften the butter if not already done. [step] Stand at room temperature to soften. [title] Place the softened butter, liquid, preserves, and icing/powdered sugar into the bowl.

Ending1: [step] Use the whisk to rapidly mix until a smooth, creamy-tasting icing forms. [title] Transfer the icing ingredients to a mini cupcake storage container with the stems facing the bowl. Ending2: [title] Beat the ingredients together with a fork. [step] Mix until it's light and fluffy. Ending3: [step] Stir with a spatula until completely smooth. Scrape down with the back of a wooden spoon. Ending4: [step] Use a fork to stir the butter and sugar together. [title] Wash strawberries, blueberries, apples, brown sugar and vanilla extract to make it easier.

Answer format: ending1/ending2/ending3/ending4