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: Nina needed cash for a prom dress. Sentence2: She decided to deliver papers to earn money. Sentence3: She rode her bike passing out papers. Sentence4: After a week, it was time to collect her pay.
She earned enough to buy the dress.