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 think yesterday was when I realized I shouldn't be a mathematician. Sentence2: I was at the grocery store, restocking for next week. Sentence3: I had bought around twenty items, and thought I was under my budget. Sentence4: When I went to check out, I was ten dollars over!

I then realized that I was not good at math.