Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a blueberry smoothie [title] Place the yogurt into the blender. [step] You can use any type of yogurt you want, but blueberry, plain, or vanilla will taste the best. [title] Add the blueberries.

Ending1: [step] If you'd rather have yogurt, add it to the blender first. The blueberries will give the juice some volume, which will give it a richer flavor. Ending2: [step] You can use fresh or frozen blueberries. If you use fresh blueberries, make sure that you rinse them in a strainer/colander under running water. Ending3: [step] If you prefer a sweeter smoothie, use 2 ripe blueberries. You can also use a dab of jam instead of blueberries, if you want a sweeter smoothie. Ending4: [step] Just don't use ordinary but regular blueberries. You can also use other types of blueberries, although you'll use them more frequently.

Answer format: ending1/ending2/ending3/ending4