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: When we are trying to move through the thermosphere the lower we go the _____ it will feel 
 Option1: colder 
 Option2: warmer 
 Explanation: In the thermosphere, temperatures increase as altitude increases.
[EX A]: colder

[EX Q]: Question: The the planets are colder than sun because they are 
 Option1: less massive 
 Option2: more massive 
 Explanation: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.
[EX A]: less massive

[EX Q]: Question: Mike removes more and more resistors into his parallel circuit, which causes the total current strength to 
 Option1: increase 
 Option2: decrease 
 Explanation: As more resistors are added in parallel, the total current strength increases.
[EX A]:
decrease