$\left\{\begin{matrix}\\A=0\text{, }&\text{unconditionally}\\A\in \mathrm{C}\text{, }&Z=0\text{ or }I=0\text{ or }M=0\text{ or }R=0\end{matrix}\right.$

$\left\{\begin{matrix}\\I=0\text{, }&\text{unconditionally}\\I\in \mathrm{C}\text{, }&Z=0\text{ or }M=0\text{ or }A=0\text{ or }R=0\end{matrix}\right.$

$\left\{\begin{matrix}\\A=0\text{, }&\text{unconditionally}\\A\in \mathrm{R}\text{, }&Z=0\text{ or }I=0\text{ or }M=0\text{ or }R=0\end{matrix}\right.$

$\left\{\begin{matrix}\\I=0\text{, }&\text{unconditionally}\\I\in \mathrm{R}\text{, }&Z=0\text{ or }M=0\text{ or }A=0\text{ or }R=0\end{matrix}\right.$