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: Op! We gotta go!
Speaker 2: Oh, where are you guys going?
Speaker 3: We're gonna pick up the wedding dress then we're gonna have lunch with mom.
Speaker 2: Ah. Joey you're-you're having lunch with my mom?
Speaker 4: No, I-I just heard lunch. But yeah, I can go. Sure!
2