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: Sam's son wanted a dog. Sentence2: Sam could not afford it. Sentence3: Sam got a second job for extra money. Sentence4: Sam worked very hard.

With the money, Sam was finally able to buy a dog.