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: Bob used plastic grocery bags to go shopping. Sentence2: Then, his friend told him that plastic is bad for the environment. Sentence3: Bob decided to forego his plastic bags. Sentence4: Bob invested in some reuseable grocery bags.

Bob used his reusable grocery bags to go shopping.