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.

Q: Question: Milo owns two telescopes, one at the top of a mountain and one at the base. If he looks through the one at the top of the mountain, how much interference can he expect compared to the one at the top of the mountain? 
 Option1: more 
 Option2: less 
 Explanation: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.

A: more
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Q: 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.

A: decrease
****
Q: Question: If we drop a small ball into a pool there will be _____ water shot out than a small ball. 
 Option1: less 
 Option2: more 
 Explanation: So more water is displaced by a bigger body than a smaller one.

A:
less
****