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 Input:
Question: The blood vessels near the top of the skin do what when it's cool? 
 Option1: enlarge 
 Option2: contract 
 Explanation: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.

Ex Output:
contract


Ex Input:
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.

Ex Output:
Ollie


Ex Input:
Question: Evan weighs 200 pounds while Sasha weighs 100 pounds. Who flies the shortest distance when pushed off the diving board? 
 Option1: Evan 
 Option2: Sasha 
 Explanation: The greater the mass of an object, the less it will accelerate when a given force is applied.

Ex Output:

Evan