Please choose the correct ending to complete the given sentence: Rollerblading: A man and a woman are at a parking lot as the woman is learning how to roller blade. A black screen appears with white letters. a man with a helmet and a longbord

Ending1: riding on a custodi bike rides behind her. Ending2: walks ahead as he helps the girl in the roller blades get across grass. Ending3: ax takes off running towards the ice. Ending4: is shown doing tricks on roller blades with other men extremely bored.

Answer format: ending1/ending2/ending3/ending4