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: Dwayne Johnson is much stronger than Kevin Hart because he exercises more and therefore his muscles have grown 
 Option1: larger or 
 Option2: smaller. 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.

SOLUTION: larger or

PROBLEM: Question: The ball began to raise slowly above the table. The higher it rises above the table, the potential energy will 
 Option1: decrease 
 Option2: increase. 
 Explanation: So the higher an object is above a surface, the more potential energy it has.

SOLUTION: increase.

PROBLEM: Question: A reactant particle that is in the arctic is likely _____ compared to one in the desert. 
 Option1: faster 
 Option2: slower 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.

SOLUTION:
slower