[Venkman throws his hands up.]

I don't know! I don't know what her criteria is for- for what deserves to be erased or not, and she can still make mistakes, and this is why I didn't want you to do this.

[Sigourney is too interested in learning about Winston to notice their distress. She happily sorts through thoughts about this Extra Dad she's never met, ranging from the day he was hired to all sorts of busts involving him.]