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: John is thinking about parallax, and wants to test it. John holds his finger away from his eye, then draws it closer to his eye. At the farthest from his eye, the position will have changed to be 
 Option1: lesser 
 Option2: greater 
 Explanation: The closer your finger is to your eyes, the greater the position changes because of parallax.

SOLUTION: lesser

PROBLEM: Question: If you spend a lot of time working out your muscles will be 
 Option1: smaller 
 Option2: larger 
 Explanation: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.

SOLUTION:
larger