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.

Example Input: Question: If Mona is freezing a glass of water and the temperature of the water begins to decrease, what happens to the density of that water? 
 Option1: increases 
 Option2: decreases 
 Explanation: Lower temperature and higher salinity yield the densest water.
Example Output: increases

Example Input: Question: If Mary is building a rocket and she wants it to fly as high as possible, what should she do to the mass of the rocket? 
 Option1: increase it 
 Option2: decrease it 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
Example Output: decrease it

Example Input: Question: Rich works out every day. Paul does not work out at all. Whose heart expels more blood per contraction, resulting in lower BPM? 
 Option1: Rich 
 Option2: Paul 
 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.
Example Output:
Rich