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: Something with less hydrogen ions would have what pH value? 
 Option1: high 
 Option2: low 
 Explanation: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
Example Output: high

Example Input: Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic. 
 Option1: India's 
 Option2: United States' 
 Explanation: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.
Example Output: United States'

Example Input: Question: Don is getting screened for cancer. Because his cancer is caught early, at the first screening, the chance of a cure is 
 Option1: greater 
 Option2: lesser 
 Explanation: The sooner cancer is treated, the greater the chances of a cure.
Example Output:
greater