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: When viewing the climate model John saw that the less gases were in the atmosphere, the heat would be 
 Option1: Larger 
 Option2: Smaller 
 Explanation: More greenhouse gases trap more heat and warm the atmosphere.

SOLUTION: Smaller

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

SOLUTION: it decreases

PROBLEM: Question: John was watching the particles as they interacted with each other. He found that the lower the pressure, the collisions were 
 Option1: Higher 
 Option2: Lower 
 Explanation: More particles inside the container means more collisions, and more collisions mean a higher pressure.

SOLUTION:
Lower