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.

Example Input: Question: If greenhouse gas were to be halved, the global temperature would 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
Example Output: decrease

Example Input: Question: When there is more fluid in a tube the pressure in the tube 
 Option1: increases 
 Option2: decreases 
 Explanation: If blood volume in the body decreases, blood pressure decreases.
Example Output: increases

Example Input: Question: What happens when we get farther from the sun? 
 Option1: cool down 
 Option2: heat up 
 Explanation: The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun.
Example Output:
cool down