The OML does not contain any express provisions requiring a commenter to notify the public body of his intent to speak at a public meeting. Members of the public body are prohibited from discussing or taking legal action on matters brought up during an open call unless those matters were properly noticed on the meeting agenda. See id. At the conclusion of the open call, however, “individual members of the public body may respond to criticism made by those who have addressed the public body, may ask staff to review a matter or may ask that a matter be put on a future agenda.” Id.