def update_removal_plan(orig_dict, updating_dict):
    """
    Helper to update dictionaries of sets of objects to remove/redact.
    """
    for key in updating_dict.keys():
        if key in orig_dict:
            orig_dict[key].update(updating_dict[key])
        else:
            orig_dict[key] = updating_dict[key]

    return orig_dict