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: Marge begged her husband Bill for a backyard pool. Sentence2: He finally relented, and the pool was installed. Sentence3: Soon, Marge was throwing weekly pool parties. Sentence4: At one party, she saw a curvy neighbor in a bikini talking to Bill.

Marge felt a pang of regret about putting in the pool right then.