Definition: 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: Hi 
Speaker 2: Hey. 
Speaker 1: Oooh. Girl's night out indeed. 
Speaker 2: Ok. So now, I think Emma is probably down for the night, but if you need anything Ross.. . 
Speaker 3: Rach, Rach, we'll be fine, all right? You go have fun. 
Speaker 2: Okay. You too. And I hope you score. Bye. 
Speaker 4: Bye. 
Speaker 3: So.. . Welcome. 
Speaker 4: I got beer. 
Speaker 3: I got bottled breast milk. 
Speaker 4: Eh, why don't we start with the beer? 
Speaker 3: Okay. So, um, Phoebe tells me you, ah, you play piano. 
Speaker 4: Yeah. 
Speaker 3: You know, I, I used to, ah, play keyboards in college. 
Speaker 4: Ah? Do you have one here? 
Speaker 3: No. 
Speaker 4: Okay. 
Speaker 3: Um.. . ah.. . you know, I'm divorced. Um, Phoebe, ah.. . Phoebe said you.. . You've been divorced? 
Speaker 4: Yeah. Yeah, I'm sorry. I don't.. . I don't really like to talk about it. 
Speaker 3: That's okay. We'll talk about something else. 
Speaker 4: So, you're a paleontologist, right? 
Speaker 3: Yeah. 
Speaker 4: My cousin's a paleontologist. 
Speaker 3: Ah? Well, he and I would probably have a lot to talk about.
Output:
3