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.

[Q]: 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.
[A]: United States'


[Q]: Question: What will happen to Jim's muscle strength if he exercises more then he has in the past? 
 Option1: his muscles will become stronger 
 Option2: his muscles will become weaker 
 Explanation: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
[A]: his muscles will become stronger


[Q]: Question: As he was standing on the beach and watching the boat, it began to drift away. As the distance shrunk between him and the boat, the ship got 
 Option1: Smaller 
 Option2: Larger 
 Explanation: If you are standing on the shore and a ship is going out to sea, the ship gets smaller as it moves further away from you.
[A]:
Larger