Definition: 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.
Input: Sentence1: Rob had bought a new car. Sentence2: However, there were some problems with the brakes. Sentence3: Rob had to take it to a shop to get it checked out. Sentence4: After a while, he got an estimate for how much it would cost.

He was really thankful that he had bought the warranty.