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: If Milo calms down and his heart starts pumping less blood with each stroke, what happens to his heart rate? 
 Option1: increases 
 Option2: decreases 
 Explanation: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.
answer:
increases


question:
Question: If Jim makes his resistor shorter, the resistance is exhibits is 
 Option1: smaller 
 Option2: greater 
 Explanation: The longer the resistor, the more resistance it has.
answer:
smaller


question:
Question: Which of these items has less gravitational strength? 
 Option1: the moon 
 Option2: earth 
 Explanation: Less massive objects also have less gravity than more massive objects.
answer:

the moon