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 Input:
Question: Rich was examining a cliff face. Which part of the cliff is younger, geologically speaking? 
 Option1: the base 
 Option2: the top 
 Explanation: The upper rock layers are much younger.

Ex Output:
the top


Ex Input:
Question: Compared to a tidal wave , will a ripple in a mud puddle move water particles 
 Option1: not as far? 
 Option2: farther 
 Explanation: The more energy the wave has, the farther the particles of the medium move.

Ex Output:
not as far?


Ex Input:
Question: If Mona is filling balloons with helium and she continues to add helium, what happens to the space the molecules have to move in? 
 Option1: increases 
 Option2: decreases 
 Explanation: When a gas is squeezed into a smaller volume, the particles have less space to move.

Ex Output:

decreases