What is the output of the following code?

char lastInitial $=\text{'}$s$\text{'}$;

switch $($lastInitial$)$

$\{$

case $\text{'}$A$\text{'}$:

cout $$ "section $1"D\text{'}$:

cout $$ "section $4"<mn\; id="EditorElement\_187277">2</mn><mtext\; id="EditorElement\_187279"></mtext><mi\; id="EditorElement\_187280">D</mi><mtext\; id="EditorElement\_187282"></mtext><mi\; id="EditorElement\_187283">\text{'}</mi>$:

cout $$ "section $4"$