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: Hey! 
Speaker 2: Hey! 
Speaker 1: Do you guys have like a big bowl I can borrow? 
Speaker 2: Yeah, there's one right under the cabinet. 
Speaker 1: Thanks. 
Speaker 2: Why do you need it? 
Speaker 1: Oh, we're having a big party tomorrow night. Later! 
Speaker 3: Whoa! Hey-hey, you planning on inviting us? 
Speaker 1: Nooo, later. 
Speaker 4: Hey!! Get your ass back here, Tribbiani!! 
Speaker 3: Hormones! 
Speaker 2: What Phoebe meant to say was umm, how come you're having a party and we're not invited?
Output:
1