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: As the plane dropped altitude, the passengers felt _____. 
 Option1: cooler 
 Option2: warmer 
 Explanation: In the troposphere, temperatures decrease as altitude increases.
warmer

Question: Jan is taking a class where she is learning about atoms. She knows that atoms have electrons, and that atoms that are smaller have 
 Option1: more electrons 
 Option2: fewer electrons 
 Explanation: Bigger atoms have more electrons.
fewer electrons

Question: We can find a better mechanical advantage if the inclined plane has a _____ gradual slope. 
 Option1: less 
 Option2: more 
 Explanation: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

more