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: As the amount of water increases, the melting point of rock decreases.
 Question: If Mona removes more water from her cauldron of melting rock, what will happen to the melting point of that rock? 
 Choices: A)increase 
B)decrease
Example Output: increase

Example Input: Paragraph: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
 Question: A small container that has 100 hydrogen ions is sitting near a larger container that has 2 hydrogen ions. The solution in the larger container is 
 Choices: A)more acidic 
B)less acidic.
Example Output: less acidic.

Example Input: Paragraph: Solar power is expensive, but as demand increases technology improves and costs decrease.
 Question: Mona lives in a city that doesn't know much about solar power. As the citizens become less aware of solar and the benefits it offers, the demand for solar power falls. What happens to the cost of the technology as the demand decreases? 
 Choices: A)increase 
B)decrease
Example Output:
increase