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: Farmer Bill got an older machine to sift his wheat. This machine causes him to grow _____ food. 
 Option1: more 
 Option2: less 
 Explanation: More advanced farming practices allowed a single farmer to grow food for many more people.

SOLUTION: less

PROBLEM: Question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Option1: less 
 Option2: more 
 Explanation: As the Universe expands, galaxies move further and further apart.

SOLUTION: less

PROBLEM: Question: John was watching the power levels when he noticed something about the energy. When the cost of the energy increased, the usage of the resource would be 
 Option1: Slower 
 Option2: Faster 
 Explanation: If the energy cost of obtaining energy increases, the resource will be used even faster.

SOLUTION:
Faster