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.

[EX Q]: Question: Some plants, like redwood trees, may live for thousands of years. Some plants, like the black-eyed Susan wildflower, may only live a few weeks. What would these plants most likely have in common in order to survive? (A) using cones for spreading seeds (B) a successful way to reproduce (C) the ability to live in the desert (D) thorns to keep away animals?
[EX A]: live, thousands, years., live, weeks., common, survive?

[EX Q]: Question: Which of these organisms has cells with cell walls? (A) bluebird (B) A pine tree (C) A ladybug (D) A fox squirrel?
[EX A]: organisms, cells, cell, walls?

[EX Q]: Question: Mount St. Helens is part of a volcanic chain that slowly formed on Earth where __________. (A) continental plates collided (B) oceanic plates pulled apart (C) a continental and an oceanic plate pulled apart (D) a continental and an oceanic plate collided?
[EX A]:
Mount, St., Helens, volcanic, chain, formed

