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: As the rocket falls down through the troposphere and gets nearer to the Earth's surface, the air will be 
 Option1: warmer 
 Option2: cooler 
 Explanation: Air in the troposphere is warmer closer to Earths surface.

A: warmer
****
Q: Question: When viewing the climate model John saw that the less gases were in the atmosphere, the heat would be 
 Option1: Larger 
 Option2: Smaller 
 Explanation: More greenhouse gases trap more heat and warm the atmosphere.

A: Smaller
****
Q: Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get worse exfoliation, due to the lesser friction, when he washes his body using the 
 Option1: soap 
 Option2: loofah 
 Explanation: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

A:
soap
****