Given string str$1$ and string str$2,$ which expression is true?

str$1="$Hi$"$;

str$2=$ "Hello";

Group of answer choices

strcmp$($str$1,$ str$2)==0$

strcmp$($str$1,$ str$2)<0$

strcmp$($str$1,$ str$2)>0$

$($Comparison not possible$)$