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: Dave decided he would wash his dad's car that weekend. Sentence2: He took the car through the carwash but scraped the side of the door. Sentence3: He got out to inspect the scratch and it was bad. Sentence4: Dave new have been very careless.
A:
His dad wasn't mad but told Dave to be careful next time.