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: Angel traveled from New York to Des Moines, IA , and experienced _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
[A]: less


[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.
[A]: slower


[Q]: Question: Tina is diving deeper and deeper into the ocean. What happens to the temperature? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Water also gets colder as you go deeper.
[A]:
it decreases