Please choose the correct ending to complete the given sentence: Putting in contact lenses: A woman is demonstrating how to correctly wear lenses in the eyes as she takes the lenses out of the case. Then the doctor also demonstrates how to correctly wear the lenses. the optometrist

Ending1: continues to explain how to store the lenses in the case to increase its life and durability. Ending2: then takes something open in the eyes and shows it off as nonindoor blue lenses. Ending3: then shows how to roll the lens with a ruler from the case as follows with several different lenses appearing in the video to show off her work and her progress in the proper manner. Ending4: returns as the closing credits are displayed.

Answer format: ending1/ending2/ending3/ending4