You are given an elementary science question along with a few answer options. List all the words from the question that are essential and sufficient for choosing the correct answer option. Keep in mind that essential words are necessary to understand the meaning of the given question. However, non-essential words provide little information needed to select the correct answer. You can think about it like this: If the question was in another language, knowing the meaning of which words were necessary and enough for you to understand the question and answer it?. If your answer consists of multiple spans of words from the question, separate those using a comma (", "). Do not generate any word that is not present in the question. Make sure that your response is contained in the given question and the words are in the same order as the question.
 Grammatical correctness is not important.

Q: Question: A town built a road through a forest. Deer live in the forest on both sides of the road. Which would not help protect deer from the cars on the road? (A) feeders on the side of the road (B) lights along the side of the road (C) signs telling drivers to be careful of deer (D) bridges that let the deer walk under the road?

A: Deer, protect, deer, cars, road?
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Q: Question: Mr. Burk's students test the ability of aluminum, plastic, and sand to conduct electricity. Which could be a reasonable entry in their scientific journals after testing the three materials? (A) Only aluminum conducts electricity. (B) Aluminum, plastic, and sand are good conductors. (C) Only plastic and sand conduct electricity. (D) Only sand conducts electricity.?

A: ability, sand, conduct, electricity., reasonable, entry, scientific, journals
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Q: Question: What is the relationship between the Earth's rotations and the Sun? (A) One rotation of the Earth is equivalent to one day. The half of the Earth facing the Sun has daytime and the half facing away has nighttime. (B) One rotation of the Earth is equivalent to one month. As the Earth rotates, the Sun goes through many phases. (C) One rotation is equivalent to a day. The Sun, stars, and the Moon rise in the east and travel across the Earth in a linear fashion. (D) One rotation of the Earth is equivalent to one year. It takes that long for the Sun to go around the Earth.?

A:
relationship, Earth's, rotations, Sun?
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