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: Joy wanted to find the perfect shell for her hermit crab. Sentence2: She could buy one, but it would be more special if she found it. Sentence3: She scoured the beach all morning. Sentence4: Everything that might work was broken!

Answer: She had to buy a shell after all.

Question: Sentence1: Nancy and her daughter Bo were getting ready to leave for Girl Scouts. Sentence2: Nancy reminded her daughter to grab a scout worksheet she needed. Sentence3: When they arrived at Girl Scouts, she found out Bo forgot it. Sentence4: Nancy overheard Bo blaming her for forgetting the sheet.

Answer: Ironically, Nancy learned the sheet was on Learning Independence.

Question: Sentence1: Dave loved the outdoors. Sentence2: One day he decided to go on a hike. Sentence3: As he walking on the trail, he heard a hissing sound. Sentence4: To his right on the ground was a rattle snake!

Answer:
Dave backed away slowly.