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: Compared to the blue super giant star Rigel, would the Sun, which is a yellow dwarf star, be 
 Option1: hotter? 
 Option2: cooler 
 Explanation: But, in stars, the bluer the star, the hotter it is, and the redder it is, the older and colder it is.

Ex Output:
cooler


Ex Input:
Question: The reason we rarely see fossils that are made out of tissue is because tissue is _____ than bone 
 Option1: weaker 
 Option2: stronger 
 Explanation: Hard shells fossilize more readily than soft bodied organisms, as they are better at resisting decay, take significantly longer to break down, and have a greater chance of surviving burial under layers of sediment.

Ex Output:
weaker


Ex Input:
Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get better exfoliation, due to the greater friction, when he washes his body using the 
 Option1: soap 
 Option2: loofah 
 Explanation: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

Ex Output:

loofah