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.

Q: Question: Something that is smaller and moving will have _____ energy than something small. 
 Option1: less 
 Option2: more 
 Explanation: Therefore, an object with more mass has greater thermal energy than an object with less mass, even if their individual atoms are moving at the same speed.

A: less
****
Q: 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.

A: Ollie
****
Q: Question: A main sequence star that is very bright is not among the _____ stars 
 Option1: hottest 
 Option2: coolest 
 Explanation: The hotter a main sequence star is, the brighter it is.

A:
coolest
****