Definition: 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).
Input: Paragraph: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.
 Question: Eric built his telescope higher up. The interference from the atmosphere up here is 
 Choices: A)lower 
B)higher
Output:
lower