Please choose the correct ending to complete the given sentence: Putting in contact lenses: The camera shows a closeup of her dropping liquid into a contact lens. The contact lens is held up for inspection. the woman

Ending1: is now standing in front of a bank of white tiles with an stethoscope on her chest and a doctor sitting in front of her. Ending2: rubs the contact lens with the fluid. Ending3: then puts it on her tongue and inserts it into her right nostril. Ending4: uses a printed solution to apply to the contact lens.

Answer format: ending1/ending2/ending3/ending4