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: Tom's girlfriend Katie gets him a job at the restaurant she works at. Sentence2: Tom has a panic attack. Sentence3: Tom abandons his job at the middle of his shift. Sentence4: Katie's boss fires Tom.

Tom's lack of commitment threatens his relationship with Katie.