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: Nina wanted a nice Halloween costume. Sentence2: But she could not afford anything fancy. Sentence3: She looked through her house for ideas. Sentence4: Then she found a great costume for free.

Nina was excited.