Instructions: You are given a dialog between 2 or more individuals. Within the dialog, there will be clues as to the names of the speakers. You will be asked at the end of the dialog to identify the name of one of the speakers.
Input: Speaker 1: Hello? Oh, Pheebs! It's Phoebe! 
Speaker 2: Oh, yay... 
Speaker 3: Great... 
Speaker 1: Hi! 
Speaker 4: Hi, so what happened? 
Speaker 1: Well, Ross said my name. 
Speaker 4: Yeah, I know, but I don't think that means anything. 
Speaker 1: Okay, Pheebs, y'know what, let's look at this objectively all right? Ninth grade, right? The obsession starts. All right? The summer after ninth grade he sees me in a two-piece for the first time, his obsession begins to grow. So then... What is the name or nickname of 
Speaker 4?
Output:
Pheebs