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: Wendy is 30 years old while Jefferson is 60 years old. Who is more susceptible to disease? 
 Option1: Wendy 
 Option2: Jefferson 
 Explanation: Many diseases become more common as people grow older.
Example Output: Jefferson

Example Input: Question: Clare stopped rubbing two sticks together. The sticks became 
 Option1: hot 
 Option2: cold 
 Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.
Example Output: cold

Example Input: Question: Evan measures the pH of the ocean at 5. Last century it measured at 6. A(n) _____ in greenhouse gases likely resulted in this change. 
 Option1: increase 
 Option2: decrease 
 Explanation: An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.
Example Output:
increase