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: Jeffrey increases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.

Ex Output:
increase


Ex Input:
Question: Lana is noting that the wind lately has been very strong. Lana can now tell that the air pressures over the Earth's surface have had differences that are 
 Option1: greater 
 Option2: lesser 
 Explanation: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.

Ex Output:
greater


Ex Input:
Question: If a device were to become less efficient, it would produce _____ usable energy. 
 Option1: more 
 Option2: less 
 Explanation: The more efficient a device is, the greater the percentage of usable energy it produces.

Ex Output:

less