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.

Input: Consider 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.

Output: bigger


Input: Consider 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.

Output: increase


Input: Consider Input: Question: John was watching the sound waves in his electronic monitor when he noticed something. The speed of the sound waves was slower when the temperature was 
 Option1: higher 
 Option2: lower 
 Explanation: For a given medium, sound waves travel more slowly at lower temperatures.


Output: lower