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: In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.
 Question: A cell in a dog's large intestine shrank in surface area, which allowed the cell to take in less nutrients. This means that the cell's increased surface area allowed its functioning to 
 Choices: A)increase 
B)decrease.

Ex Output:
decrease.


Ex 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

Ex Output:
Chicago


Ex Input:
Paragraph: Water flowing over a steeper slope moves faster and causes more erosion.
 Question: Lana is watching two waterfalls. The first waterfall is very steep, and the other is just a slope. The waterfall which will have the most erosion at the bottom is the one with the water which falls 
 Choices: A)slower 
B)faster

Ex Output:
faster