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 worked from home and had an issue for a supervisor. Sentence2: She was surprised to see there were only other agents in the chat room Sentence3: Amy informed the caller there was no supervisor. Sentence4: The caller was even more irate than before.

After 45 minutes of the caller agreed to a supervisor callback.