instruction:
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.
question:
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.
answer:
decreases


question:
Question: If the people in Mary's country start to create less greenhouse gases, what will happen to the possibility that changes may occur? 
 Option1: increase 
 Option2: decrease 
 Explanation: As greenhouse gases increase, changes will be more extreme.
answer:
decrease


question:
Question: Katie had to pee, and when she did, she noticed that her urine was quite dark. The darkness in the urine means Katie should drink water in amounts that are 
 Option1: smaller 
 Option2: larger 
 Explanation: The darker the urine, the less water it contains.
answer:

larger