Given the task definition and input, reply with output. You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do.
Question: If America is a poor nation and China is a rich nation, then America's energy usage compared to China's is
Choices: A)greater
B)smaller
smaller