What will be the ouput of the recursive function call: process$("$Thanks$!")$;

void process$($ string s $)\{$

$$ if$($s$.$size$()>0)\{$

$$ string subs $=$ s$.$substr$(0,$ s$.$size$()-1)$;

$$ cout $<<$ s$[$s$.$size$()-1]$;

$$ process$($ subs $)$ ;

$\}$

$\}$

Question $10$ options:

Thanks!

Tak!

$!$sknahT

$!$kaT

none of the above