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.

Sentence1: I walked into my math class. Sentence2: Since everyone had nothing on desk, I was confused. Sentence3: The teacher asked them to take out a scantron and a pencil. Sentence4: Although I didn't study, I decided to take the test.
I ended up failing.