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

Ex Output:
smaller


Ex Input:
Question: By filling a kettle with water and placing it in a freezer turned to low, will the motion of the water molecules in the kettle 
 Option1: increase in speed 
 Option2: decrease in speed. 
 Explanation: The higher the temperature, the more energy the particles have and the faster they will move and diffuse.

Ex Output:
decrease in speed.


Ex Input:
Question: Tom conducted an archaeological dig and compared some of the rocks he found. He noticed that the rocks at 20 feet deep were _____ than the rocks at 2 feet deep. 
 Option1: older 
 Option2: younger 
 Explanation: Older rocks are at the bottom and younger rocks are at the top.

Ex Output:

older