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: When we are trying to move through the thermosphere the lower we go the _____ it will feel 
 Option1: colder 
 Option2: warmer 
 Explanation: In the thermosphere, temperatures increase as altitude increases.

Ex Output:
colder


Ex Input:
Question: Dana draws a few field lines on the chart. The field she is representing is likely 
 Option1: strong 
 Option2: weak 
 Explanation: The more field lines that are drawn, the stronger the field.

Ex Output:
weak


Ex Input:
Question: An increase in frequency means wavelength has 
 Option1: increased 
 Option2: decreased 
 Explanation: As wavelength increases, frequency decreases.

Ex Output:

decreased