Please choose the correct ending to complete the given sentence: Putting in contact lenses: One hand pour liquid on contact lense on the other hand. the hand

Ending1: cuts the contact through the contact line and puts half of the contact for contact with the boot on the shoe. Ending2: shakes the contact and then use a computer to focus on pail of contact. Ending3: places an a. Ending4: rub the lense with the solution and then the finger picked it up.

Answer format: ending1/ending2/ending3/ending4