Please choose the correct ending to complete the given sentence: Using the pommel horse: A gymnast stands on his arms. Then, the gymnast performs pommel horse while spinning his body. a person behind the pommel horse

Ending1: follows his movements by squatting below. Ending2: hits the pommel horse with his body. Ending3: uses a camel to ride his horse around while a dog jumps on it's back. Ending4: takes pictures to the gymnast.

Answer format: ending1/ending2/ending3/ending4