TASK DEFINITION: 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.
PROBLEM: Question: Clark is 55. Morgan is 25. A scientist is researching which of these two men is more likely to develop cardiovascular disease. If their ages is the only piece of info that the scientist has, then he would say _____ is more at risk for cardiovascular disease. 
 Option1: Clark 
 Option2: Morgan 
 Explanation: Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.

SOLUTION: Clark

PROBLEM: Question: Farmer Bill got an older machine to sift his wheat. This machine causes him to grow _____ food. 
 Option1: more 
 Option2: less 
 Explanation: More advanced farming practices allowed a single farmer to grow food for many more people.

SOLUTION: less

PROBLEM: Question: If China decides to build more factories to produce goods, what will happen to their demand for natural resources? 
 Option1: increase 
 Option2: decrease 
 Explanation: Developing nations will also increase demands on natural resources as they build more factories.

SOLUTION:
increase