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: Briana had a pet turtle. Sentence2: One day, he went missing. Sentence3: They searched the house but couldn't find him. Sentence4: Briana started to worry.

Luckily, they found the turtle under the table.