instruction:
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.
question:
Question: When we are increasing energy used while running what will happen? 
 Option1: speed up 
 Option2: slow down 
 Explanation: As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.
answer:
speed up


question:
Question: Dwayne Johnson is much stronger than Kevin Hart because he exercises more and therefore his muscles have grown 
 Option1: larger or 
 Option2: smaller. 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
answer:
larger or


question:
Question: If particles drift together, they will pass energy to each other 
 Option1: quicker 
 Option2: slower 
 Explanation: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.
answer:

quicker