Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to stay warm at work [title] Add a scarf. [step] A scarf around your neck is a good way to gain some warmth. It helps add heat to your body, namely your neck and back.

Ending1: Plus, you can choose a high-end scarf to still look professional. Try keeping one in your desk to take out as needed. Ending2: [title] Keep a winter coat around your neck. [step] What you wrap your body in does not necessarily have to be a wool coat. Ending3: [substeps] A thin scarf, made of nylon, works well to wrap around your neck. A thin scarf can be useful for the kitchen as well. Ending4: [substeps] If your work belt or jacket stay on top of your head, then that can help you stay warm. [title] Use your belt to keep your body warm.

Answer format: ending1/ending2/ending3/ending4