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: Dan needs to stay warm in the woods, and can bring one animal for body heat to sleep next to him. Given the choice between a horse and cat, Dan will choose the 
 Option1: cat 
 Option2: horse 
 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.

Ex Output:
horse


Ex Input:
Question: If water is close to a source of nutrients it will have 
 Option1: few nutrients 
 Option2: more nutrients 
 Explanation: Water near shore generally has more dissolved nutrients than water farther from shore.

Ex Output:
more nutrients


Ex Input:
Question: Air pressure is higher in the 
 Option1: mountains 
 Option2: valleys. 
 Explanation: Air pressure is less at higher elevations.

Ex Output:

valleys.