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.
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Question: Sentence1: Melissa lived in a really bad apartment complex. Sentence2: There were a lot of kids always running around. Sentence3: One day she heard steps running on the roof. Sentence4: She saw the kids running on the roof.

Answer: She called the landlord so they could deal with it.

Question: Sentence1: Sally was struggling to do well in school. Sentence2: Her parents decided they needed to motivate her. Sentence3: They said if she did well her last semester, she picks the vacation. Sentence4: Sally studied night and day, she wanted to do well.

Answer: Sally did well, and her parents agreed to take her to Hawaii.

Question: Sentence1: Cassidy feels sad that he may never have children. Sentence2: However, he hasn't met a woman he wants to have kids with. Sentence3: A friend recommends he try adopting a son instead. Sentence4: He adopts a son and becomes a great father.

Answer:
Cassidy is very happy that he became a father.