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: The air gets thinner when it is 
 Option1: hot 
 Option2: cold 
 Explanation: Increasing air temperature decreases atmospheric pressure.
[A]: hot


[Q]: Question: A resistor with weakening resistance will transfer _____ energy. 
 Option1: more 
 Option2: less 
 Explanation: The higher the resistance of the resistor, the more energy is transferred within the resistor.
[A]: less


[Q]: Question: If there are two equal-volume objects, the densest object will be the one with _____ mass. 
 Option1: higher 
 Option2: lower 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.
[A]:
higher