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: Considering that aluminum has a much lower specific heat than water, which would cool more slowly 
 Option1: five pounds of water heated to 200 degrees? 
 Option2: a five pound block of aluminum heated to 200 degrees 
 Explanation: The land heats up and cools off faster than the water because it has lower specific heat.

Ex Output:
five pounds of water heated to 200 degrees?


Ex Input:
Question: In a science class, the professor demonstrates refraction to the class. First, the professor shows a curved lens from a binocular, and then a flat pane of glass, demonstrating that 
 Option1: the curved lens refracts less light 
 Option2: the flat pane refracts less light. 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.

Ex Output:
the flat pane refracts less light.


Ex Input:
Question: When a rabbit farmer begins a farm he starts with just a few rabbits. If the rabbits are cared for and fed does the population 
 Option1: decrease 
 Option2: increase 
 Explanation: With exponential growth, the population starts out growing slowly. As population size increases, the growth rate also increases.

Ex Output:

increase