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: john was taking the patients blood pressure and other vital signs. He saw that the lower the blood volume, the pressure was 
 Option1: Greater 
 Option2: Less 
 Explanation: This is because the lower blood volume in the vessels exerts less pressure on the vessel walls.

SOLUTION: Less

PROBLEM: Question: If Mona is bouncing radar waves off a test car when training to be a policewoman and she notices the frequency of the waves returning to her radar gun is lower then it was before, what is happening to the car she is pointing the gun at? 
 Option1: decreasing in speed 
 Option2: increasing in speed 
 Explanation: A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves.

SOLUTION: decreasing in speed

PROBLEM: Question: A larger box can hold how much air compared to a small box? 
 Option1: More air 
 Option2: Less air 
 Explanation: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.

SOLUTION:
More air