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.

[EX Q]: Question: If Mona shines a light through both wool and cotton and determines that cotton is more dense then wool, which material will the light move faster through? 
 Option1: wool 
 Option2: cotton 
 Explanation: The more dense the medium, the slower the light moves.
[EX A]: wool

[EX Q]: Question: Eric adds gas to a 20ml container and Rita adds gas to a 10ml container. Which container holds more gas particles? 
 Option1: Rita 
 Option2: Eric 
 Explanation: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.
[EX A]: Eric

[EX Q]: Question: Planets moving apart means there will be _____ gravitational force between them. 
 Option1: more 
 Option2: less 
 Explanation: The further objects are away from each other, the smaller the gravitational force.
[EX A]:
less