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: Kelly wanted to be a unicorn for Halloween. Sentence2: Her mom bought a horse costume, but it had no horn. Sentence3: Then her mom created a horn herself and glued it on. Sentence4: Kelly loved the homemade unicorn costume.

On Halloween, she was the prettiest unicorn in town!