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: Ron liked to drink a lot of beer. Sentence2: His dad and his mom were both alcoholics. Sentence3: Ron decided it was best if he didn't drink anymore. Sentence4: He finally quit after 6 months.

Ron was proud of the decision he made.