TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: Smaller

PROBLEM: 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.

SOLUTION: five pounds of water heated to 200 degrees?

PROBLEM: Question: As more time passes since a species diverged, there will be _____ differences in their DNA. 
 Option1: less 
 Option2: more 
 Explanation: The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.

SOLUTION:
more