Given the task definition and input, reply with output. 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'.

Speaker 1: Who's the father?
Speaker 2: Yeah!
Speaker 3: I can't say.
Speaker 2: Why?!
Speaker 1: Why not?
Speaker 3: I can't say because he's famous.
Speaker 4: Oh my God, who is it?!
Speaker 2: Phoebe, come on, you have to tell us.
Speaker 3: Okay, okay. It's James Brolin. James Brolin is the father of my baby.
Speaker 1: As in Barbara Streisand's husband James Brolin?
Speaker 3: What?! Well he never said that to me!
3