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: If Australia is smaller then Asia, which country will produce more of a trash buildup in the oceans? 
 Option1: Australia 
 Option2: China 
 Explanation: The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.
[A]: China


[Q]: Question: Eric adds gas to a 20ml container and Rita adds gas to a 10ml container. Which container holds less gas particles? 
 Option1: Rita 
 Option2: Eric 
 Explanation: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.
[A]: Rita


[Q]: Question: Rich is examining a cold particle and a hot particle. Which likely moves the slowest? 
 Option1: the hot particle 
 Option2: the cold particle 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
[A]:
the cold particle