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: Mary had a credit card debt of over $2000. Sentence2: She wanted to pay it off. Sentence3: She cut off her unnecessary expenses such as going out. Sentence4: She saved all her money in a savings account.

Gradually, Mary was able to pay off her debt.