Instructions: 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: John was at an ATM. Sentence2: It wanted to charge him five dollars per transaction. Sentence3: He decided to go to a store instead. Sentence4: He bought some gum and got cash back.
Output:
It saved him over four dollars.