Please pick one of the anwers. Thank you!

What does the following code do? s1: "hi" .data .asciiz .align .space N s2: .text main: la $t1, s1 la $t2, s2 loop: lbu $t5, ($t1) sb $t5, ($t2) beq $t5, $zero, exit addi $t1, $t1, 1 addi $t2, $t2, 1 j loop exit: li syscall Answers: the code zeros out the contents of s1 the code copies the contents of s2 to 51 none of these the code copies the contents of s1 to 52