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.

Input: Consider Input: Question: Joe is pulling a rubber band with his fingers. When does the band have the most elastic force? 
 Option1: at rest 
 Option2: when stretched 
 Explanation: The elastic force increases the more the material is stretched or compressed.

Output: when stretched


Input: Consider Input: Question: If Mona's country normally emits a lot of greenhouse gas, but one day decides to lower the amount they emit, what will happen to the global temperature? 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.

Output: decrease


Input: Consider Input: Question: Mary and Clare go to the beach. Mary uses a sunscreen with SPF 45. Clare uses a sunscreen that has an SPF of 20. Who skin will be protected more? 
 Option1: Mary 
 Option2: Clare 
 Explanation: A sunscreen with a higher SPF protects the skin longer.


Output: Mary