Consider the following statements:
S1 : Relative mode is the addressing mode which can be used to write code in which reallocation is done at run time.
S2 : Indirect addressing through registers can be used to access global variables.
Which of the following option is correct?
a. S1 is correct but not S2
b. S2 is correct but not S1
c. Both S1 and S2 are correct
d. Neither of S1 or S2 are correct