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 valence electrons are far from an atom's nucleus, the atom is likely 
 Option1: bigger 
 Option2: smaller 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.

Ex Output:
bigger


Ex Input:
Question: If a product is stretched, elastic force will 
 Option1: increase 
 Option2: decrease 
 Explanation: The elastic force increases the more the material is stretched or compressed.

Ex Output:
increase


Ex Input:
Question: Don needs to get a wire for work that has the least amount of resistance. Given the choice in wire length, Don will choose one that is 
 Option1: shorter 
 Option2: longer 
 Explanation: The shorter the resistor, the less resistance it has.

Ex Output:

shorter