instruction:
You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.
question:
Question: Jeffrey decreases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
answer:
decrease


question:
Question: Water that is near a lot of plants has 
 Option1: few nutrients 
 Option2: many nutrients 
 Explanation: Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients.
answer:
many nutrients


question:
Question: When we get higher in the air what happens to the temperature? 
 Option1: goes up 
 Option2: goes down 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
answer:

goes down