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: George wanted to give something to his coworkers for Christmas. Sentence2: He decided to bake Christmas cookies. Sentence3: George spent all Sunday baking them. Sentence4: That Monday he brought them in, and his coworkers hated them.

He found out that he had used salt instead of sugar to make them.