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 decided to clean my chimney. Sentence2: I opened the vent. Sentence3: I forgot to move my face away from the fireplace. Sentence4: Soot coming rushing down and covered my face!

I realized I should be more careful when cleaning the chimney.