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: We played with firecrackers when we were young. Sentence2: One day I tried to throw a lighted firecracker out the window. Sentence3: I threw it wrong and it fell into the window sill. Sentence4: Luckily, the firecracker was a dud.

I was much more careful after that incident.