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: Yesterday I had to go grocery shopping. Sentence2: When it was time to check out I got in line. Sentence3: The register broke when it was my turn in line. Sentence4: I was forced to go to the back of another line.

A nice cashier came to apologize and helped me check out.