Task: Question Answering
Input (English): Paragraph: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.
 Question: Carter travels to the mountain and looks through a telescope. There is very little interference from the atmosphere, so Carter knows that above the telescope, there is _____ air compared to sea level. 
 Choices: A)less 
B)more
Output (English): less