Please choose the correct ending to complete the given sentence: Tumbling: A girl does cartwheels in a back yard. Another girl watches from a window. then the first girl

Ending1: does her routine in the yard. Ending2: takes off and does several cartwheels indoors. Ending3: sets a skateboard in the dirt and starts doing cartwheels. Ending4: does a hand stand.

Answer format: ending1/ending2/ending3/ending4