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: What happens to John's risk of contracting a disease as he gets older? 
 Option1: it decreases 
 Option2: it increase 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.

SOLUTION: it increase

PROBLEM: Question: As Earth's climate becomes cooler it will develop _____ varieties of vegetation? 
 Option1: less 
 Option2: more 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

SOLUTION: less

PROBLEM: Question: Does a car with an 8 cylinder engine have more power or less power than a 4 cylinder engine. 
 Option1: More 
 Option2: Less 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.

SOLUTION:
More