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.

Ex Input:
Question: Would Jim's solution become more or less acidic if he decreased the concentration of hydrogen atoms in it? 
 Option1: more acidic 
 Option2: less acidic 
 Explanation: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.

Ex Output:
less acidic


Ex Input:
Question: Tommy traded in his four-cylinder Pinto for an eight-cylinder Mustang. The Pinto engine was 
 Option1: more powerful 
 Option2: less powerful. 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.

Ex Output:
less powerful.


Ex Input:
Question: As the pressure in the atmosphere falls, the air temperature gets 
 Option1: warmer 
 Option2: cooler or 
 Explanation: Increasing air temperature decreases atmospheric pressure.

Ex Output:

warmer