Please choose the correct ending to complete the given sentence: Kneeling: We see the blue opening screen. a lady

Ending1: applies her drink glass to a glass on the table. Ending2: talks and then the lady enters her fourth floor exercise class. Ending3: is guiding a young lady through an exercise. Ending4: talks with two dogs and a duck on lawn.

Answer format: ending1/ending2/ending3/ending4