TASK DEFINITION: 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.
PROBLEM: Question: A class learns about weather. The students in the class measure the outside air temperature at the same time each day. Which way of measuring the temperature would provide the most accurate data? (A) taking the measurement in the shade (B) placing the thermometer on the ground (C) taking a measurement using a different tool each day (D) recording the measurements from three thermometers?

SOLUTION: air, temperature, time, day., way, measuring, temperature, accurate, data?

PROBLEM: Question: Which would cause the most soil to erode from a river bank in just a few days? (A) animals climbing up the river bank (B) acid rain falling onto the river bank (C) heat from the sun drying the river bank (D) water from a flood flowing over the river bank?

SOLUTION: soil, erode, river, bank, days?

PROBLEM: Question: Two scientists doing the same experiment got different results. Which would be the best way to figure out which result might be correct? (A) A group of scientists should argue about the results. (B) The two scientists should do different experiments. (C) More scientists should do the experiment. (D) A group of scientists should vote.?

SOLUTION:
scientists, experiment, different, results., figure, result, correct?