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.

Input: Consider Input: Question: Would Jim's solution become more or less acidic if he decreased the concentration of hydrogen atoms in it? 
 Option1: more acidic 
 Option2: less acidic 
 Explanation: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.

Output: less acidic


Input: Consider Input: Question: If you keep something whole 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.

Output: slower


Input: Consider Input: Question: Would an astronaut feel a lesser gravitational pull from the Earth when he is standing 
 Option1: on the floor of his house 
 Option2: on the surface of Mars? 
 Explanation: The gravitational force between two objects decreases as the objects move further apart.


Output: on the surface of Mars?