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: Ease of mobility _____ when the animal is decreased in size. 
 Option1: increase 
 Option2: decrease 
 Explanation: The larger the animal, the heavier the exoskeleton, making movement more difficult.
answer:
increase


question:
Question: If you use more force when accelerating a car it will go 
 Option1: slower 
 Option2: faster 
 Explanation: The harder the batter hits the ball, the greater will be its acceleration.
answer:
faster


question:
Question: A container that has less particles in it will have a 
 Option1: higher pressure 
 Option2: lower pressure. 
 Explanation: More particles inside the container means more collisions, and more collisions mean a higher pressure.
answer:

lower pressure.