Please choose the correct ending to complete the given sentence: Shoveling snow: We see a person shoveling their sidewalk. The man reaches the house and turns to finish the other side of the walkway. we

Ending1: see a still image of a person. Ending2: see the door open and see the yard. Ending3: see a person spraying an item on their sidewalk. Ending4: see a red opening screen with the words " the equestrian history ".

Answer format: ending1/ending2/ending3/ending4