Task: Question Answering
Input (English): Question: Compared to microwaves do x-rays, which have a much higher wavelength than microwaves, have a 
 Option1: lower frequency? 
 Option2: higher frequency 
 Explanation: 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.
Output (English): lower frequency?