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: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
Question: Compared to an obese person who has never exercised, would an Olympic sprinter in perfect condition be more likely to have a heart that can, with each beat, move
Choices: A)more blood
B)less blood?

Ex Output:
more blood

Ex Input:
Paragraph: A stronger acid produces a greater concentration of ions than a weaker acid.
Question: If Jim increases the strength of an acid he is playing with, the concentration of ions in that acid
Choices: A)falls
B)rises

Ex Output:
rises

Ex Input:
Paragraph: For example, more people on the Earth means more people contributing to global warming and pollution.
Question: When there are less people to drive cars the rate of global warming
Choices: A)increases
B)decreases

Ex Output:
decreases