Given the task definition and input, reply with output. In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.

Sentence1: Randy got a new bicycle and helmet for his birthday. Sentence2: His mom told him he had to wear the helmet if he rode. Sentence3: He did not like the helmet so he did not put it on. Sentence4: He crashed the bike into a big oak tree.
Randy got stitches in his head and his bike taken away.