Please choose the correct ending to complete the given sentence: Mowing the lawn: A male mows a lawn using a red riding mower. A man whips grass of his foot. a large, black dog

Ending1: rides behind the male dog. Ending2: chases and chases a small, green dog in the yard. Ending3: watches and zooms in on the dog. Ending4: runs across the lawn.

Answer format: ending1/ending2/ending3/ending4