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: When a star is moving away from a planet, the star will be pulled into it if the gravitational force is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
answer:
weaker


question:
Question: Rich lives in Chicago, Illinois while Rachel lives in Sydney, Australia. Who likely experiences more atmospheric pressure in December? 
 Option1: Rich 
 Option2: Rachel 
 Explanation: Decreasing air temperature increases atmospheric pressure.
answer:
Rich


question:
Question: If Milo is part of a larger population then Jerry is, which person's population will experience greater drifting of allele frequencies? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: The smaller a population is, the more allele frequencies may drift.
answer:

Jerry