Please choose the correct ending to complete the given sentence: Putting in contact lenses: A close up of a contact lens holder. A dark haired girl places a black eye lens into her left eye. then the dark haired girl

Ending1: places a black eye lens into her right eye. Ending2: removes it from her contact. Ending3: uses a small holding tool to attach the contact lens. Ending4: inserts the contact lens center into her eye.

Answer format: ending1/ending2/ending3/ending4