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.

Example Input: Question: Jan had a very low heart rate, but was perfectly healthy, indicating that her heart expels blood in amounts that are
Option1: greater
Option2: lesser
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.
Example Output: greater

Example Input: Question: If Jim is an endotherm would his body give off _____ heat if the blood flow to the surface of his body were decreased?
Option1: more
Option2: less
Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
Example Output: less

Example Input: Question: The bigger the alkene the _____ boiling and melting points.
Option1: lower
Option2: higher
Explanation: Larger alkenes have lower boiling and melting points.
Example Output:
lower