Detailed Instructions: 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.
Q: 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.
A:
They had so much fun they forgot about their plans.