Please choose the correct ending to complete the given sentence: Putting in contact lenses: A black man wearing a hospital employee shirt applies an optic solution to his finger. the man in the dark hospital shirt

Ending1: applies the optic solution on his tattooed finger. Ending2: reapplies the optic solution to his finger and proceeds to demonstrate how to insert a contact lens to the eye. Ending3: put the opiner with the electrode to his finger and rubs it slowly. Ending4: applies the optic solution over the " x " on the hand, then he shows the metal paddle representing simaba and demonstrates how the adhesive material should be applied.

Answer format: ending1/ending2/ending3/ending4