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: More pollutants mean poorer air quality.
 Question: Michael is studying the air quality of various cities. He finds that there are many more pollutants in the air in Mexico City, than there are in the air of Chicago. Therefore, the air quality will be higher in 
 Choices: A)Chicago 
B)Mexico City
Example Output: Chicago

Example Input: Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: DJ has a solution that he adds particles to. The solution is now a _____ concentration. 
 Choices: A)higher 
B)lower
Example Output: higher

Example Input: Paragraph: In a series circuit, the resistance increases as more resistors are added in series.
 Question: Eric adds more resistors to the series circuit. The resistance 
 Choices: A)increases 
B)decreases
Example Output:
increases