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: 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: Smaller dogs have a slower growth rate than big dogs so that means they get: 
 Option1: Smaller 
 Option2: Larger 
 Explanation: In exponential growth as the population size increases, the growth rate also increases.

Ex Output:
Smaller


Ex Input:
Question: If Mona is examining her arteries and she looks at ones that are closer to 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.

Ex Output:

larger