Please choose the correct ending to complete the given sentence: Putting in contact lenses: Another screen of instructions and the person inserts the right lens. Two sets of instructions appear an the person removes the left and right lens. the person

Ending1: removes the left lens. Ending2: waves bye to the camera. Ending3: pulls back the lowered lens again. Ending4: removes both of the lenses.

Answer format: ending1/ending2/ending3/ending4