When examining the permissions on a file in Linux you find the last three bits are rw$-.$ What does this mean?

$1$ point

All users who are neither the file owner nor members of the group to which this file belongs have read and write permissions.

All users who are not the owner have read and write permissions.

All users who are neither the owner nor members of the group to which this file belongs have read, write, and execute permissions.

All users who are not the owner have read, write, and execute permissions.