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: Joseph began sanding the plank faster and faster, increasing the friction on the rubbing surface. As he does so, the heat energy 
 Option1: increases 
 Option2: decreases. 
 Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

SOLUTION: increases

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: John was checking the temperature of the unit. He saw that as the temperature decreased when the level of energy was 
 Option1: Greater 
 Option2: Lesser 
 Explanation: The temperature of matter increases with the added energy.

SOLUTION:
Lesser