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: The Smith family went on vacation to Florida. Sentence2: The children were playing in the ocean and watching the sunset. Sentence3: Suddenly, a bright light appeared on the horizon. Sentence4: It grew brighter and higher until it broke into two pieces.

They were excited to learn that the light was a rocket taking off.