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: Billy and Joe left for vacation yesterday. Sentence2: I tried calling to check on them but they never answered. Sentence3: After going to their house to check on their animals, I tried calling. Sentence4: They finally answered the phone!

They let me know they were safe and made it to the beach.