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.

[EX Q]: 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.
[EX A]: Clark

[EX Q]: Question: When we add more water to something there will be 
 Option1: fewer reactions 
 Option2: more reactions 
 Explanation: More water allows more chemical reactions.
[EX A]: more reactions

[EX Q]: Question: David turns ups the temperature in the cabin, so energy of sound waves is moving 
 Option1: slower 
 Option2: faster 
 Explanation: At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.
[EX A]:
faster