Please choose the correct ending to complete the given sentence: Washing hands: A man in a lab coat is talking as he also visits with patients. he

Ending1: demonstrates how to use a glass counter using a tool, and how to use the bait. Ending2: shows the uses of a sharpening stone to sharpen knives. Ending3: demonstrates how to use an electric crochet hook. Ending4: shows step by step instructions on how to wash hands properly.

Answer format: ending1/ending2/ending3/ending4