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: John was viewing a patient's vital signs at the hospital. He could see clearly that the less oxygen to the cells, the pulse rate would become 
 Option1: Higher 
 Option2: Lower 
 Explanation: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.

Ex Output:
Higher


Ex Input:
Question: Shane wants a field that is very strong. In order do achieve this goal, Shane needs to draw 
 Option1: less field lines 
 Option2: more field lines 
 Explanation: The more field lines that are drawn, the stronger the field.

Ex Output:
more field lines


Ex Input:
Question: Diffusion occurs faster in 
 Option1: water 
 Option2: oxygen. 
 Explanation: This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.

Ex Output:

oxygen.