Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: There was a pedestrian crossing that was very busy. Sentence2: The pedestrians who were crossing were in no hurry. Sentence3: They took their time crossing the street. Sentence4: One man was impatient.
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
He cut off the stream of pedestrians and took off.