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.

Question: Mel stops after running down the street for exercise. As Mel's heart rate decreases, Mel's blood flow 
 Option1: decreases 
 Option2: increases 
 Explanation: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
decreases

Question: Kate makes a machine that is very unproductive, and it gets work done slowly, because it uses force in amounts that are 
 Option1: lesser 
 Option2: greater 
 Explanation: Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.
lesser

Question: If Milo's engine is running hot, how will adding oil affect friction? 
 Option1: increase 
 Option2: reduce 
 Explanation: To reduce friction, oil is added to the engine.

reduce