Given the task definition and input, reply with output. 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.

Sentence1: The principal announced there would be a school dance that Friday. Sentence2: Mary became excited about the dance. Sentence3: She wanted Dan to ask her to the school dance. Sentence4: Dan saw Mary in the hallway and told her he needed to talk to her.
She was happy he asked her to the dance.