Task: Question Answering
Input (English): Problem: a set s = { x , - 8 , - 5 , - 1 , 1 , 6 , 9 , y } with elements arranged in increasing order . if the median and the mean of the set are the same , what is the value of | x | - | y | ? 
Options: a ) - 1 , b ) can not be determined , c ) 1 , d ) 0 , e ) 2
Output (English): e