Susan entered a guilty plea to a charge of embezzlement. Her attorney hired a retired probation officer as a consultant to gather information for the preparation of a sentencing plan for Susan that would avoid jail. For that purpose, the consultant interviewed Susan for three hours. Thereafter, the prosecution undertook an investigation of Susan's possible involvement in other acts of embezzlement. The consultant was subpoenaed to testify before a grand jury. The consultant refused to answer any questions concerning her conversation with Susan. The prosecution has moved for an order requiring her to answer those questions. The motion should be 
denied, on the basis of the attorney-client privilege.  denied, in the absence of probable cause to believe the interview developed evidence relevant to the grand jury's inquiry.  granted, because the consultant is not an attorney.  granted, because exclusionary evidentiary rules do not apply in grand jury proceedings. 