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: 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.
more

Question: If Mona is examining her arteries and she looks at ones that are farther away from her heart, what happens to the size of the arteries?
Option1: smaller
Option2: larger
Explanation: Further away from the heart, the aorta branches into smaller arteries, which eventually branch into capillaries.
smaller

Question: Ian is trying to melt rocks, nothing that the water around the rocks is quite high. Since there is a lot of water around the rocks, the melting point of the rock will be
Option1: increased
Option2: decreased
Explanation: As the amount of water increases, the melting point of rock decreases.
decreased