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: I went to the zoo. Sentence2: I saw some monkeys. Sentence3: I wished I had a pet monkey. Sentence4: Then I saw a monkey attack another monkey.

I realized I didn't want a pet monkey anymore.