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: The parents were beyond delighted by the birth of their daughter. Sentence2: They named her Joy. Sentence3: About two Year's later they had their second child, a boy. Sentence4: While happy and grateful, they were somewhat less enthused.

Their son was difficult to take care of compared to Joy.