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: It was a beautiful summer day outside. Sentence2: Bob decided to go for a walk at the park. Sentence3: Bob walked along the path and admired the scenery. Sentence4: He found a twenty dollar bill on the ground.

He was happy.