Subscribe form works as __ e-mail newsletter. To activate ____ form with an enabled _________ service, replace the .rd-mailform _____ with .mailchimp-mailform and the ____'_ action with MailChimp subscription ___.

To activate the Campaign _______ service, you need to _______ the form’s .rd-mailform class ____ .campaign-mailform and copy the ____'_ action and the name __ the input field from ___ form generated by Campaign _______ service.