Let I,$M,$ and $E$ have the following meanings:

I : The command returns an integer.

$M$ : The command displays a message.

$E$ : The command throws an exception.

Express each of the folltwing propositions as a natural$-$sounding English sentence.

$($a$)$ IvvM

$($b$)$ MharrI

$($c$)$ notE$I$

$($d$)not{E}^{{?}^{?}}$notM

$($e$)$ Evv$(I^{{?}^{?}}M)$