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: I called the Otterbox company about my broken phone case. Sentence2: I made my call after work Monday night. Sentence3: No one answered my phone call. Sentence4: I waited a week for a call back.

They randomly sent a new phone case to my house for free!