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.

Q: Sentence1: The boys had been watching birds all month. Sentence2: Finally they decided to build a bird house. Sentence3: They collected some wood, nails, and a couple hammers. Sentence4: Then they got straight to work and fit it all together.

A: Finally they hung it and stood back to admire their project.
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Q: Sentence1: All Ellie wanted to do was surf. Sentence2: Ellie's mom wanted her to study harder, and graduate from high school. Sentence3: Instead, Ellie went to the beach and surfed for hours. Sentence4: Ellie found out she wouldn't be able to graduate with her friends.

A: She took a summer school class, and graduated the very next fall.
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Q: Sentence1: Heather and Marcus were ready for the next step in their relationship. Sentence2: They were happy newlyweds, but wanted an addition to their family. Sentence3: Although not quite ready for kids, they still felt lonely. Sentence4: On a whim, they went to an animal shelter and fell in love with a cat.

A:
They adopted the cat.
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