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: Sam was very worried. Sentence2: For the past weeks, his cat had been growing bloated. Sentence3: He feared she was ill and might soon die. Sentence4: Then one day Sam discovered why his cat had grown larger.

She had been pregnant, and now had eight kittens!