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: Amber and her family were going on a trip. Sentence2: She found out someone else was going that she hated. Sentence3: They decided not to go. Sentence4: Everyone was mad that they backed out.

Amber didn't care, and refused to back down.