Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to hull walnuts [title] Place the whole walnut on an asphalt surface. [step] The juices will stain a concrete surface. [title] Stomp on the walnut with your foot and twist the nut into the asphalt surface.

Ending1: [step] The walnut will break cleanly down in a delicious mix with the hot asphalt. [title] Use the juice of one walnut as a smoothie. Ending2: [title] Pick up the nut and place it in a large pail. [title] Discard the hulls in the garbage or in your compost pile. Ending3: [title] Pull the walnut close to you from a vertical position. [title] Check for dents and cracks, then gently push the walnut off with one hand. Ending4: [title] Leave the nut sitting on the asphalt and continue to pour on the walnut. [step] You want the shell to flow in the concrete, rather than pour on the walnuts.

Answer format: ending1/ending2/ending3/ending4