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: Tommy traded in his four-cylinder Pinto for an eight-cylinder Mustang. The Pinto engine was 
 Option1: more powerful 
 Option2: less powerful. 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.

SOLUTION: less powerful.

PROBLEM: Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in? 
 Option1: increases 
 Option2: decreases 
 Explanation: A camera shutter stays open longer in dim light to let more light in.

SOLUTION: decreases

PROBLEM: Question: Jeff added less and less processors to the supercomputer. The supercomputer will now likely be _____ powerful. 
 Option1: more 
 Option2: less 
 Explanation: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.

SOLUTION:
less