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: Megan had two charged metal balls that she was analyzing. If she decreases the charge of the balls, the electrostatic force between them 
 Option1: decreases 
 Option2: increases 
 Explanation: The more charged the objects are, the stronger the electrostatic force between them.

A: decreases
****
Q: Question: When Sarah wants to lower the amount of electrons that are there, she will use energy at amounts that are 
 Option1: lesser 
 Option2: greater 
 Explanation: Less energy is also needed to remove electrons from larger atoms in the same group of the periodic table.

A:
lesser
****