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: Lucy was a teenager who never found time to spend with her family. Sentence2: She would rather go to the mall or movies with her friends. Sentence3: One day her father got very sick and she rushed to the hospital. Sentence4: He told her that he understood she was a busy teenager.
She vowed to him that she would make time to spend with the family.