Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to cut iceberg lettuce [title] Remove the core. [step] Place the head of lettuce onto its side with the stalk facing your sharpened knife. Starting from the bottom of the stem, cut about 1 inch (2.5 cm) into the lettuce and discard.

Ending1: [substeps] Use a pair of kitchen scissors to cut the stem down to 1 inch (2.5 cm). Do not use kitchen scissors as these are sharp and they may accidentally cut into the lettuce. Ending2: [substeps] Alternatively, you can smack the stalk against your countertop so that it breaks from the inside, making it easy to remove the core with your hand. However, this may cause bruising on the leaves. Ending3: [substeps] If you don't mind cutting off the stringy sections, set the head aside. Slice with a sharp kitchen knife or paring knife. Ending4: You will be cutting only a small amount of the core into the lettuce. [substeps] The stalk is the stem of your lettuce.

Answer format: ending1/ending2/ending3/ending4