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: Tiffany bought a bag of microwave popcorn. Sentence2: She didn't read the directions. Sentence3: She put the bag in the microwave and pushed the popcorn button. Sentence4: Minutes later she smelled something horrible.

The popcorn had burned because she left it in too long.