Please choose the correct ending to complete the given sentence: Health: [header] How to prevent a sore throat [title] Wash your hands frequently. [step] Viral and bacterial infections cause most sore throats, so proper hygiene is an essential part of prevention. Wash your hands thoroughly with soap and hot water for at least 30 seconds.

Ending1: [substeps] Wash your hands under hot or cold water, unless you're traveling in the rain or snow. Add a hand sanitizer to rinse and reapply in the future. Ending2: Dry your hands before you put on any antibiotic cream or moisturizer or antibacterial solutions. [substeps] The act of washing your hands helps control any sudden nosebleeds, rather than making them too dry and scratchy. Ending3: [substeps] Always wash your hands after going to the bathroom and before eating. It's also a good idea to wash your hands if you sneeze or cough into them. Ending4: Do this to remove any bacteria on your hands. [substeps] Use a cleanser or hand sanitizer labeled for use in the office or at home, as these are readily available and can be cleaned.

Answer format: ending1/ending2/ending3/ending4