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).

Example Input: Paragraph: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.
Question: Paul started at the base of a mountain and climbed to its peak. The sky was clear and the sun was beating down on him all day. However, he noticed there was a clear temperature difference between the surface's temperature and the temperature at the top of the mountain peak. Where would he feel more heat?
Choices: A)Surface
B)Mountain Peak
Example Output: Surface

Example 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 keeps the empty fuel containers on board so the ship can fly
Choices: A)higher
B)lower
Example Output: lower

Example Input: Paragraph: Breast cancer is rare in teens. It becomes more common as women get older.
Question: Eileen studied two identically sized populations of women, one in Springfield where the women were in their 50s and one in Mayfield where the women were in their 30s. The population with a lower incidence of breast cancer was
Choices: A)Springfield group
B)Mayfield group.
Example Output:
Mayfield group.