Instructions: You are given a dialog between 2 or more individuals. You need to generate the number of the speaker (e.g. 1 for Speaker 1) who had the most lines in the dialog. If there is a tie, output the answer '0'.
Input: Speaker 1: Buon Giorno, Bella Phoebe! 
Speaker 2: Oh, Paolo, hi, what are you doing here? 
Speaker 1: Uh, Racquela tell me you massage, eh? 
Speaker 2: Well, Racquela's right, yeah! 
Speaker 2: Oh, okay, I don't know what you just said, so let's get started. 
Speaker 3, 
Speaker 4: Hey Phoebe! 
Speaker 5: Hi Pheebs! 
Speaker 6: Pheebs! 
Speaker 2: Fine! 
Speaker 7: Phoebe, what's the matter? 
Speaker 2: Nothing, I'm sorry, I'm just, I'm out of sorts.
Output:
2