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: Greg and Molly were going to have a new babysitter tonight. Sentence2: They spent all day talking about what they would do to annoy her. Sentence3: When she got to their house they were all ready to go. Sentence4: But she had bought a bag full of video games for them to play.

They had so much fun they forgot about their plans.