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 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.

SOLUTION: slower

PROBLEM: Question: Mike needed to get a dark picture . In order to get the darkest photo, Mike made the exposure 
 Option1: longer 
 Option2: shorter 
 Explanation: The longer the exposure, the more light that the telescope can gather to make the image.

SOLUTION: shorter

PROBLEM: Question: Wavelengths that are shorter will be 
 Option1: faster 
 Option2: slower 
 Explanation: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.

SOLUTION:
faster