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: Ivan yells across a canyon in the morning when it is cold and again later in the afternoon when it is hot. During which time did his voice travel the slowest? 
 Option1: morning 
 Option2: afternoon 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.

Ex Output:
morning


Ex Input:
Question: Evan is a farmer and needs to plant on a slope. For a slower flow of water, he should choose a slope that is 
 Option1: steeper 
 Option2: gentler 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Ex Output:
gentler


Ex Input:
Question: James spent 30 minutes exercising while Mary spent only 10 minutes exercising. Which person had the higher heart rate? 
 Option1: Mary 
 Option2: James 
 Explanation: Warming up exercises increases the blood flow to the muscles and increases the heart rate.

Ex Output:

James