Please choose the correct ending to complete the given sentence: Fun sliding down: A little boy is climbing up the stairs of a play gym, he stops once and points at a red tube opening but passes it. He gets to the red tube slide at the top and points to it and then slides down. once

Ending1: he gets to the bottom, he waits, lifts his legs and slides but doesn't slide. Ending2: on the ground he walks around for a bit then turns around and points up. Ending3: on, he slides across it and has a great time sliding down. Ending4: he reaches the bottom, he comes up and grabs the gear that is underneath him and begins to slide back down.

Answer format: ending1/ending2/ending3/ending4