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: Billy's car broke down on the highway. Sentence2: He looked under the hood and realized his starter was broken. Sentence3: The nearest mechanic quoted Billy 300 dollars, which was far too much. Sentence4: He instead called a friend who came and fixed the starter for $100.

Billy drove away happily with a functioning engine.