TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: Will

PROBLEM: Question: If Jim starts exercising and performs no anaerobic exercises, would his muscles get 
 Option1: bigger 
 Option2: smaller 
 Explanation: Anaerobic exercises cause muscles to get bigger and stronger.

SOLUTION: smaller

PROBLEM: Question: Mercury is closer to the sun than Jupiter. This means that the pull of gravity from the sun on Jupiter is 
 Option1: stronger 
 Option2: weaker. 
 Explanation: Objects that are closer together have a stronger force of gravity between them.

SOLUTION:
weaker.