Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make mushroom barley soup [title] Chop the vegetables. [step] Wash 1 pound (480 g) of mushrooms , 2 large carrots , 2 large celery stalks, and peel 1 onion. Use a sharp knife to carefully cut the mushrooms into 1/2-inch (12 mm) pieces.

Ending1: Next, take 4 skewers and use one on each side of the pot with rings of 1 inch (2.5 cm) thickness. Set the skewers aside while you prepare the other ingredients. Ending2: You should be left with 1 medium-sized onion and 2 medium carrots. Carefully chop all of the mushrooms into 1/2-inch (12 mm) pieces. Ending3: [substeps] You can use other vegetables besides mushrooms as well, like cucumbers, broccoli, asparagus, and tarragon, for this recipe. [title] Heat the peas and water in a large pot. Ending4: You can trim the carrots, celery, onion and then chop them into bite-sized pieces. [substeps] Don't worry about keeping the chopped vegetables separate.

Answer format: ending1/ending2/ending3/ending4