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.

Example Input: Question: Mark is boiling alkenes and wants to see which will boil first; the larger ones or the smaller ones. The alkenes that will boil first are the ones that are 
 Option1: smaller 
 Option2: larger 
 Explanation: Larger alkenes have lower boiling and melting points.
Example Output: larger

Example Input: Question: If Mona shines a light through both wool and cotton and determines that cotton is more dense then wool, which material will the light move faster through? 
 Option1: wool 
 Option2: cotton 
 Explanation: The more dense the medium, the slower the light moves.
Example Output: wool

Example Input: Question: Mona lives on a planet with an unstable population. If the number of people on her planet were to increase, what would happen to global warming on her planet? 
 Option1: increase 
 Option2: decrease 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
Example Output:
increase