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).

Ex Input:
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

Ex Output:
smaller

Ex Input:
Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
Question: Ian wants to produce less pollutants, so he buys a car that is a plug-in hybrid. The car will run on electricity better if it's plugged in for a
Choices: A)longer time
B)shorter time

Ex Output:
longer time

Ex Input:
Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
Question: Ray was traveling in rocket leaving orbit. He ejects the empty fuel containers so the ship can fly
Choices: A)higher
B)lower

Ex Output:
higher