Please choose the correct ending to complete the given sentence: Skiing: People are skiing down a snowy slope very slowly and gracefully. a little boy

Ending1: is doing the same thing behind them and someone takes his phone text keys and inserts it into the ski book. Ending2: is bending down trying to catch more speed, he is pretty good at skiing. Ending3: waits for every stone he can get to the bottom of the ski. Ending4: is in the lead on a tube and runs very quickly, passing a person that is skiing down and traveling along the ski slope.

Answer format: ending1/ending2/ending3/ending4