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: Rich breathed out. When he breathes _____ his chest seems larger. 
 Option1: in 
 Option2: out 
 Explanation: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
answer:
out


question:
Question: If America has a bigger industrial sector then China, which country will produce less hazardous waste? 
 Option1: America 
 Option2: China 
 Explanation: Nations that have more industry produce more hazardous waste.
answer:
China


question:
Question: When someone works out a lot they are _____ than those that never exercise 
 Option1: stronger 
 Option2: weaker 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
answer:

stronger