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: If Mona lives in a country with poor access to food and another country begins reducing food supplies of her country, what happens to the death rate in Mona's country? 
 Option1: increases 
 Option2: decreases 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.

A: increases
****
Q: Question: What happens to a light car when it has the same power as a heavy car? 
 Option1: accelerates faster 
 Option2: accelerates slower 
 Explanation: The smaller its mass is, the greater its acceleration for a given amount of force.

A: accelerates faster
****
Q: Question: The rocks that are deep inside a volcano are 
 Option1: young 
 Option2: old 
 Explanation: The upper rock layers are much younger.

A:
old
****