Please choose the correct ending to complete the given sentence: Walking the dog: A little toddler is walking down the street holding her dog leash. the dog

Ending1: has a bucket in her hand. Ending2: is walking ahead of her not pulling her, he is very gentle. Ending3: then rests in an adult's lap. Ending4: is sitting on a mat in front of a blue trash can.

Answer format: ending1/ending2/ending3/ending4