instruction:
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:
Question: If Milo traps gases in a small chamber after having them in a large chamber, what will happen to the rate of collisions between gas particles? 
 Option1: increase 
 Option2: decrease 
 Explanation: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.
answer:
increase


question:
Question: If Milo cuts himself shaving and loses a lot of blood, what happens to his blood pressure? 
 Option1: increases 
 Option2: decreases 
 Explanation: If blood volume in the body decreases, blood pressure decreases.
answer:
decreases


question:
Question: If Mona is creating a reaction using solid reactants and she decreases the surface area of those reactants, what happens to the reaction rate? 
 Option1: increases 
 Option2: decreases 
 Explanation: Therefore, increasing the surface area of solid reactants increases the reaction rate.
answer:

decreases