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.

Q: 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.

A: increase
****
Q: Question: Jeff added less and less processors to the supercomputer. The supercomputer will now likely be _____ powerful. 
 Option1: more 
 Option2: less 
 Explanation: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.

A: less
****
Q: Question: If Jim raises the temperature of the air inside his balloon, will his balloon rise higher into the air or sink towards the ground? 
 Option1: rise higher 
 Option2: sink lower 
 Explanation: Warm air is less dense than cool air, so it rises higher in the troposphere.

A:
rise higher
****