Please choose the correct ending to complete the given sentence: Putting in contact lenses: A woman holds up a bottle and contact lens to the camera. she

Ending1: uses a clear contact lens between two fingers, then uses the glasses to demonstrate how to use them. Ending2: then brushes her teeth in front of the lens. Ending3: gives the lens to a boy holding a toy bat and takes a hold of the lens screen. Ending4: then puts in the contacts and stares at the camera.

Answer format: ending1/ending2/ending3/ending4