Which of the following entries could be added to the rsyslog.conf configuration file to ensure that network login events of warning priority and more serious are logged immediately to the $/$var$/$log$/$logins file?

auth.warn $-/$var$/$log$/$logins

authpriv.warn $-/$var$/$log$/$logins

authpriv.$=$warning $/$var$/$log$/$logins

auth.$=$warn $/$var$/$log$/$logins