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 more tightly packed the particles inside the material are, the more dense we say they are.
 Question: Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The ball is _____ dense than the rock. 
 Choices: A)less 
B)more
Example Output: less

Example Input: Paragraph: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
 Question: If Mona is exploring different continents and she notices that Africa is cooler then North America, which continent will have more types of vegetation? 
 Choices: A)North America 
B)Africa
Example Output: North America

Example Input: Paragraph: Rougher surfaces have more friction between them than smoother surfaces.
 Question: A piece of sandpaper has _____ friction than a piece of glass. 
 Choices: A)more 
B)less
Example Output:
more