Instructions: 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: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.
 Question: A wave with a shorter wavelength will have a _____ frequency 
 Choices: A)longer 
B)shorter
Output:
longer