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: Ted was unhappy in his life. Sentence2: He remembered a book he read written by a scientist. Sentence3: The book said humans are social creatures. Sentence4: The book said a man's quality of life is determined by sociability.

He decided to go out of his way to meet new people, he became happier.