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: 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.

SOLUTION: lesser

PROBLEM: Question: Jeff gained some blood in a car crash and was given a transfusion in the hospital to replace the blood. Jeff's blood pressure will be higher 
 Option1: when he lost the blood 
 Option2: after he had blood replaced. 
 Explanation: As blood volume in the body increases, blood pressure increases.

SOLUTION: when he lost the blood

PROBLEM: Question: When glaciers freeze a lot of sea water what happens to the sea levels? 
 Option1: increase 
 Option2: decrease 
 Explanation: An increase in glaciers lowers sea level and a decrease in glaciers raises sea level.

SOLUTION:
decrease