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: A hydrocarbon that halves its carbon atoms will cause an _____ in the amount of isomers. 
 Option1: decrease 
 Option2: increase 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
[A]: decrease


[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: Would larger arteries be located 
 Option1: attached to the heart 
 Option2: at the soles of the feet? 
 Explanation: Further away from the heart, the aorta branches into smaller arteries, which eventually branch into capillaries.
[A]:
attached to the heart


