Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a vanilla latte [title] Brew 2 ounces (30 milliliters) of espresso according to the directions on your espresso machine. [step] Most machines will need some time heat up first. You will also want to tamp the filter basket to eliminate any air pockets.

Ending1: [title] Pour 1 cup (250 milliliters) of milk in the bottom tray of the coffee machine. [step] Make sure that the tray is not too big since you do not want any milk in the refrigerator. Ending2: [substeps] For the best taste, grind the coffee beans just before you brew them. [title] Pour the espresso into a large mug. Ending3: [title] Place the ground coffee in a saucepan over medium heat. [step] There are many flavors available, but green is the most popular, and it is an instant favorite. Ending4: [title] Have the coffee ready and in the basket. [step] The coffee should start to foam when it is done.

Answer format: ending1/ending2/ending3/ending4