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: Carl had a gambling problem. Sentence2: He knew he had to stop, but he just couldn't. Sentence3: Then he called a support line. Sentence4: They referred him to helpful talk therapy.
With their help, Carl was finally able to get well!