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: What happens to a light car when it has the same power as a heavy car? 
 Option1: accelerates faster 
 Option2: accelerates slower 
 Explanation: The smaller its mass is, the greater its acceleration for a given amount of force.
answer:
accelerates faster


question:
Question: Ollie was running for 20 minutes while Jim was standing for 20 minutes. Which person likely has temporarily engorged blood vessels? 
 Option1: Jim 
 Option2: Ollie 
 Explanation: Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.
answer:
Ollie


question:
Question: Ollie sees particles in a medium move very quickly. This medium is likely at a very _____ temperature. 
 Option1: low 
 Option2: high 
 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.
answer:

high