Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: 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!
Student:
3