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: There are many more people on the Earth today than there were hundreds of years ago. Because of this, there is 
 Option1: more water 
 Option2: less water. 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.

SOLUTION: less water.

PROBLEM: Question: If Mona is building a new mirror and she wants it to refract less light, what should she do to the surface of the lens? 
 Option1: make it more curved 
 Option2: make it less curved 
 Explanation: The more curved the surface of a lens is, the more it refracts light.

SOLUTION: make it less curved

PROBLEM: Question: Derek is noting how close particles are, and sees that they are very far apart. Since the particles are so far apart, the amplitude of the wave will be 
 Option1: greater 
 Option2: lesser 
 Explanation: The closer together the particles are, the greater the amplitude of the wave.

SOLUTION:
lesser