Task: Question Answering
Input (English): 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
Output (English): increase