instruction:
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.
question:
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.
answer:
Higher


question:
Question: Will's spaceship flew further and further from the sun. The temperature _____ over time. 
 Option1: increased 
 Option2: dropped 
 Explanation: The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun.
answer:
dropped


question:
Question: A dark skinned man and a light skinned man are being tested to see who produces vitamin D faster. The light skinned person will have vitamin D in amounts that are 
 Option1: greater 
 Option2: lesser 
 Explanation: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
answer:

greater