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: Katie is rubbing her hands on her leg. One hand rubs fast, the other hand rubs slow. The hand that will be cooler in the end is the one that moves 
 Option1: faster 
 Option2: slower 
 Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.
[EX A]: slower

[EX Q]: Question: If Milo stops eating for awhile and his blood glucose increases, what happens to the amount of insulin he is producing? 
 Option1: increases 
 Option2: decreases 
 Explanation: As blood glucose levels decrease, less insulin is produced.
[EX A]: increases

[EX Q]: Question: Mona is an astronomer who looks at stars for a living. If she is observing how hot certain stars are and she notices that one is cooler then the others, what does that say about the brightness of that star? 
 Option1: it's dimmer 
 Option2: it's brighter 
 Explanation: The hotter a main sequence star is, the brighter it is.
[EX A]:
it's dimmer