Please choose the correct ending to complete the given sentence: Swimming: A baby is shown floating upside down in a pool. Trainers are teaching the child how to stay afloat. he

Ending1: successfully walks out of the pool. Ending2: is learning how to swim, keeping himself above water. Ending3: is tossed in the air, trying to catch as many balls as he can. Ending4: is shown hanging on to hooks attached to a rope.

Answer format: ending1/ending2/ending3/ending4