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.

[EX 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.
[EX A]: China

[EX Q]: Question: A part of the beach is smooth, and another part is very rough. The waves on the smooth part of the beach are probably
Option1: larger
Option2: smaller
Explanation: The bigger the waves are and the more sediment they carry, the more erosion they cause.
[EX A]: larger

[EX Q]: Question: Sarah ate a salad for dinner, Sarah's levels of toxic metals have
Option1: decreased.
Option2: increased or
Explanation: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
[EX A]:
decreased.