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.

Example Input: Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic. 
 Option1: India's 
 Option2: United States' 
 Explanation: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.
Example Output: United States'

Example Input: Question: Noah has noticed that the galaxies are contracting. This will make the galaxies 
 Option1: nearer 
 Option2: further apart. 
 Explanation: As the Universe expands, galaxies move further and further apart.
Example Output: nearer

Example Input: Question: Allen is riding his bike on a path. The course ends up 1000 feet lower above sea level compared to the beginning. At which point is the air resistance lower? 
 Option1: at the beginning 
 Option2: at the end 
 Explanation: At higher elevations, there is less air to press on a given area.
Example Output:
at the beginning