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: Mark had two dogs, a lab and a pitbull. Sentence2: Mark always was trying to find things for his dogs to do together. Sentence3: He tried to throw balls, give them bones, nothing worked. Sentence4: The dogs did like one single thing that they did together.

They loved taking a nap both laying on the same couch.