Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a chocolate banana milkshake [title] Peel and slice a banana, and place it into a blender. [step] This will make it easier to mix in and give you a smoother milkshake in the end. If you'd like your milkshakes extra thick, use a frozen banana instead.

Ending1: [title] Add 1 cup (144 grams) of ice cream. [step] You can use vanilla ice cream for a less-intense flavor, or chocolate ice cream for a more intense flavor. Ending2: [title] Measure all the ingredients and put them into the blender. [step] Be sure you wash your hands before and after handling the blender. Ending3: [substeps] You can use frozen bananas for this milkshake as well, but you may want to buy bags of frozen bananas instead. If you don't have access to a blender, you can use water instead. Ending4: Keep in mind that the thicker you make them, the thicker they will be. [title] Blend the banana with the full fat milk.

Answer format: ending1/ending2/ending3/ending4