Detailed Instructions: 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.
Q: Sentence1: Jack stole a small boy's bike. Sentence2: The boy couldn't stop him, because he was so small. Sentence3: Jack only made it to the curb, when he was stopped by another boy. Sentence4: It was the small boy's brother, who was not small at all.
A:
Jack returned the bike, and hasn't stolen any since.