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 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.
[EX A]: his muscles will become stronger

[EX Q]: Question: John was looking at rocks in the valley and noticed something. The less resistant the rocks he looked at were, the amount they remained was 
 Option1: Shorter 
 Option2: Longer 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
[EX A]: Shorter

[EX Q]: Question: Jan lives in a great country and she is rich. Compared to another person in a richer country, Jan will use an amount of energy that is 
 Option1: greater 
 Option2: lesser 
 Explanation: People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do.
[EX A]:
lesser