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 climbed the steps into the bus. Sentence2: The driver gave me an index card to fill my information in. Sentence3: After filling it in, I decided to give it back. Sentence4: He ripped in in pieces and told me to get out.

While I was confused, I decided to walk away.