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: Amy was done because she ate lunch alone. Sentence2: She went to her 5th period class in a funk. Sentence3: A cute guy came in and sat next to her. Sentence4: When Amy looked at him he smiled at her.

Amy's mood instantly improved.