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: Bob wanted a parrot. Sentence2: His parents decided to get him one. Sentence3: Bob realized that a parrot was hard work. Sentence4: He decided to sell the parrot.

His parents got angry and grounded him for being irresponsible.