Instructions: 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: Helen's family drove to the mountains to go for hike. Sentence2: She loved hiking especially when her dog was able to come. Sentence3: The two of them ran ahead of the others along the path. Sentence4: Her dog took off running after a rabbit.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
She called him and he finally came back to her.