You will be given a definition of a task first, then some input of the task.
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: Six year old Bobby wanted a cat very badly. Sentence2: His parents didn't say no but they weren't excited about it either. Sentence3: One morning a friendly young cat showed up at their door. Sentence4: Bobby was very excited when his mom said it could come inside.
Output:
Bobby was overjoyed when his mother said the cat could stay.