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 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.

Ex Output:
wool


Ex Input:
Question: Donna wants to have her water molecules move faster through transpiration, so she will make the temperature 
 Option1: cooler 
 Option2: warmer 
 Explanation: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.

Ex Output:
warmer


Ex Input:
Question: If Milo wants to decrease the rate at which his bonfire is burning, what should he do to the temperature? 
 Option1: decrease it 
 Option2: increase it 
 Explanation: When the temperature of reactants is higher, the rate of the reaction is faster.

Ex Output:

decrease it