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: Monica had ordered her son some Christmas gifts. Sentence2: When they arrived, she was checking them out. Sentence3: She noticed that one toy, a piano mat, was not so good. Sentence4: It was much smaller and flimsier than the picture had shown.

She decided to send that toy back.