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: Yanis was taking his dog for a walk. Sentence2: The dog saw a squirrel and lunged forward. Sentence3: This caused the leash to snap in half! Sentence4: Yanis was scared that his dog would run away!
Unfortunately, his dog did indeed run away.