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: Going higher in the mesosphere, we encounter _____ temperatures. 
 Option1: higher 
 Option2: lower 
 Explanation: In the mesosphere, temperature decreases as altitude increases.

Ex Output:
lower


Ex Input:
Question: When there is less fluid in a tube the pressure in the tube 
 Option1: increases 
 Option2: decreases 
 Explanation: If blood volume in the body decreases, blood pressure decreases.

Ex Output:

decreases