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 Q]: Question: Will has two screws of the same length. One has 20 threads; the other has 200 threads. The screw with _____ threads likely needs less force to penetrate wood. 
 Option1: 20 
 Option2: 200 
 Explanation: Therefore, if the threads on a screw are closer together, you need to apply less force to penetrate the wood or other object.
[EX A]: 200

[EX Q]: Question: An area with a heavy focus of the Sun's rays will likely be 
 Option1: cool 
 Option2: warm 
 Explanation: The more focused the Suns rays are, the more energy an area receives and the warmer it is.
[EX A]: warm

[EX Q]: Question: A very rarefied medium will cause light to move 
 Option1: faster 
 Option2: slower 
 Explanation: The more dense the medium, the slower the light moves.
[EX A]:
faster