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.

Q: Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs more force to do the same job? 
 Option1: Will 
 Option2: Alan 
 Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.

A: Will
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Q: Question: A chemist compared two substances in the lab. Which substance will have a higher concentration of hydrogen ions? 
 Option1: the substance with the higher pH 
 Option2: the substance with the lower pH 
 Explanation: The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.

A: the substance with the lower pH
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Q: Question: Rita added less food to the box. It is now _____ to move. 
 Option1: harder 
 Option2: easier 
 Explanation: The full box is harder to move because it has greater mass and therefore greater inertia.

A:
easier
****