Match the statements defined below with the letters labeling particular numbers. Use all the letters. Of course a natural number is also a rational number, for example. However, there is only one correct matching that uses all five letters A through E.
1. $x$ is a rational number
2. $x$ is neither positive nor negative
3. $x$ is a natural number
4. $x$ is an integer
5. $x$ is an irrational number

A. $x = 12$
B. $x = \frac{17}{12}$
C. $x = \pi$
D. $x =0$
E. $x =-17$