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: I needed to take my dog for a walk. Sentence2: My neighborhood requires a leash. Sentence3: I looked through my house for the leash. Sentence4: I could not find it.
I decided to take my dog to the back yard.