Please choose the correct ending to complete the given sentence: Brushing teeth: A young boy is standing in front of a sink brushing his teeth and dancing. After awhile, he stops to spit in the sink and continues to dance. finally

Ending1: , the young boy is finished, he spits in the sink again and turns to the camera to smile. Ending2: , he laughs and tosses the toothbrush into a trashcan. Ending3: , he spit out the toothpaste and get a face wash. Ending4: , he stands up and laughs to look at his foot.

Answer format: ending1/ending2/ending3/ending4