Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to cook a roast in a crock pot [title] Wash the carrots. [step] Rinse the carrots under running water, scrubbing them gently with your fingers or a vegetable brush to remove any dirt. [title] Cut the carrots and onion.

Ending1: [step] Cut the vegetables into manageable chunks with a sharp knife. Rinse each vegetable with a bit of water and place them on a cutting board. Ending2: [step] Use a sharp knife to cut the carrots into 1-inch (2.5-cm) pieces and to slice the onions into thin rings. [substeps] To save time, you may use baby carrots or carrots pre-cut into " coins " instead of whole carrots. Ending3: [step] Cut 1/2-inch (1.3 cm) cubes off the large head of 1 carrot. Cut the onion in half (1/4-inch), then place the larger carrot in the crock pot. Ending4: [step] You don't have to cut them, but you can feel the flesh as you cut them. The carrots and onion should slide easily in the crock pot.

Answer format: ending1/ending2/ending3/ending4