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: Thank you guys for having us over. 
Speaker 2: Oh! Yeah, this is fun, couples night. 
Speaker 3: Yeah, I don't know why we hang out with married couples more often. 
Speaker 4: Well, because every time we do, you make jokes about swinging and scare them away. 
Speaker 3: You mean that Portuguese couple? Yeah, like you wouldn't have done it.
3