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: My mother used to have a pet goat. Sentence2: She took very good care of it. Sentence3: One day, she realized the goat was missing. Sentence4: She asked her mother where it was.

Katie was relieved when her mother said the back yard.