What is the difference in what happens when you enter the expression $^$tolstoy$ versus when you enter the expression tolstoy$$?$

Question $10$ options:

There is no difference.

$^$tolstoy$ returns the seven letters tolstoy at the beginning of a line where tolstoy$ returns the seven letters tolstoy at the end of a line.

$^$tolstoy$ returns a line containing exactly the seven letters Tolstoy and nothing else, where tolstoy$ returns the seven letters tolstoy at the end of a line.

None of the above