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 had to buy dental insurance out of pocket. Sentence2: I tried to use my insurance to pay for a crown. Sentence3: No one told me there was a year waiting period. Sentence4: Now I owe my dentist $500.

I'm not allowed to cancel the insurance, either.