Detailed Instructions: 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: When people forgot how to farm the population 
 Option1: decreased 
 Option2: increased 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
A:
decreased