Answer Happy

What does the 1 in these octal
permissions specify for a file?
1777
Group of answer choices:
It specifies that the file, when executed, is ran with the
permissions of the file's group owner.
It specifies that the file can be edited, but not removed or
renamed, by users other than the file's user owner.
It specifies that the file can only be deleted by members of the
file's group owner.
It specifies that the file, when executed, is ran with the
permissions of the file's user owner.