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: 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.
answer:
greater


question:
Question: Evan weighs 200 pounds while Sasha weighs 100 pounds. Who flies the farthest when pushed off the diving board? 
 Option1: Evan 
 Option2: Sasha 
 Explanation: The greater the mass of an object, the less it will accelerate when a given force is applied.
answer:
Sasha


question:
Question: A big planet has a _____ pull of gravity than a small planet. 
 Option1: stronger 
 Option2: weaker 
 Explanation: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.
answer:

stronger