G$.$ Do the following $3$ things respectively with each of the two sentences given below:

Translate it by using the defined predicate symbols and a quantifier;

Transform it into an equivalent statement with a quantifier different from the one used in the $1$st translation $($by applying $QN)$; and

Articulate the corresponding sentence of the $2$nd translation in ordinary English.

$\{5\}[15]$ Not all dogs bark.

$D$ : being a dog

$B$ : barking

$\{5\}[16]$ All philosophers are neither impractical nor unrealistic.

P: being a philosopher

I : being impractical

$U$ : being unrealistic