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: What's going on?
Speaker 2: Well, my eye is a little itchy.
Speaker 3: Uhhh, mine too! Yeah.
Speaker 4: Wow! It's really red! You should go see my eye doctor.
Speaker 2: Richard? I'm not gonna go see your ex-boyfriend!
Speaker 5: Oh, Richard. That's all I ever hear, Richard, Richard, Richard!
Speaker 4: Since we've been going out, I think I've mentioned his name twice!
Speaker 5: Okay, so Richard, Richard!
Speaker 4: It's not Richard! Okay? It's this new guy and he's really good.
4