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: If you break up something before putting it into water it will dissolve 
 Option1: slower 
 Option2: faster 
 Explanation: Therefore, increasing the surface area of solid reactants increases the reaction rate.

SOLUTION: faster

PROBLEM: Question: Compared to the dawn of time, the variety between species now is 
 Option1: smaller 
 Option2: larger 
 Explanation: The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.

SOLUTION: larger

PROBLEM: Question: When animals are moving in the cold they are 
 Option1: faster 
 Option2: slower 
 Explanation: For a given medium, sound has a slower speed at lower temperatures.

SOLUTION:
slower