Does 'Please RSVP to Tammy Jackson by Tuesday, November 2, 1999 at 264-7555, ext.' exist in a separate context from 'You do not have to RSVP.', without logical interdependence?
Please RSVP to Tammy Jackson by Tuesday, November 2, 1999 at 264-7555, ext.###You do not have to RSVP.