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 wife was feeling sad. Sentence2: I decided to sing her a funny song. Sentence3: She shouted at me because the song was terrible. Sentence4: Then, she told me I got her pregnant on accident.

Then, I also became sad.