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: One day, I wanted to make waffles. Sentence2: I made the batter and poured it in the waffle iron. Sentence3: The battery started to leak out the sides, but it was not cooking. Sentence4: I was stumped.

Then, I realized I had never plugged the waffle iron in.