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: Will waves on the ocean be larger or smaller if they are caused by wind compared to rocks? 
 Option1: larger 
 Option2: smaller 
 Explanation: A wave caused by a disturbance with more energy has greater amplitude.
Example Output: smaller

Example Input: Question: As the train approached the intersection and blew its horn, expanding the wavelengths of the sound, did the frequency of the horn 
 Option1: increase 
 Option2: decrease? 
 Explanation: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
Example Output: decrease?

Example Input: Question: Olive and Jean were collecting rocks during a hike, they collected too many rocks so the two girls decided to leave some rocks behind to come back to later. Olive decided to bury her rocks in the dirt, and Jean decided to leave hers in a ditch in the sun. When they returned a week later, which girl's rocks changed the least? 
 Option1: Jean 
 Option2: Olive 
 Explanation: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.
Example Output:
Jean