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: Mona is flying in a hot air balloon. As she floats lower in the air the air temperature decreases. What will happen to the air pressure? 
 Option1: increase 
 Option2: decrease 
 Explanation: Increasing air temperature decreases atmospheric pressure.

Output: increase


Input: Consider Input: Question: If Milo wants to make his water saltier and begins removing salt to the glass, what happens to the density of the glass of water? 
 Option1: decreases 
 Option2: increases 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.

Output: decreases


Input: Consider Input: Question: A decrease of carbon atoms will result in _____ possible arrangements. 
 Option1: less 
 Option2: more 
 Explanation: A: The more carbon atoms there are, the greater the number of possible arrangements of carbon atoms.


Output: less