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 first day of school I walked there with two of my closest friends. Sentence2: We were all very nervous. Sentence3: When we got to school we checked the class list for third grade. Sentence4: All three of us were assigned to the same classroom!

We couldn't believe our luck.