Q: In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Problem: | 16 - 5 | - | 5 - 12 | = ? 
Options: a ) 3 , b ) 2 , c ) 1 , d ) 0 , e ) 4
A:
e