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: There's nothing to discuss. We're not paying for your wine cellar. 
Speaker 2: You-you have to meet me in the middle here. 
Speaker 3: Hey, you keep pushing me on this, my foots going to meet the middle of your ass. 
Speaker 4: Dad!! 
Speaker 5: What-what's going on?! 
Speaker 4: Nothing, nothing. Everything's under control. 
Speaker 2: You want a piece of me, sir? Is that what your saying? You want a piece of me? 
Speaker 4: Okay! Okay! That's it!! Parents!! Parents!! Back away!! All right, this is our wedding day! From now on everyone gets along, and if I hear one more word. NO GRANDCHILDREN! That's right!! 
Speaker 3: Okay, okay. 
Speaker 2: Sorry old boy, sorry. Sorry. Sorry. I could kill you with my thumb, you know. 
Speaker 5: What was all that about? 
Speaker 4: It was...This disagreement over...My god. You...you look beautiful. 
Speaker 5: Ohh...Oh! You were not meant to see me before the wedding. It's bad luck. 
Speaker 4: You know what, I think we've had all the bad luck we're going to have.
Output:
4