Detailed 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'.
Q: Speaker 1: Surprise. 
Speaker 2: Oh my gosh, wow. Monica. Oh my god. Mom. This is so great. 
Speaker 3: Happy birthday sweetie. 
Speaker 2: Wow you, you. I had no idea. 
Speaker 4: Really? 
Speaker 2: No, I knew. 
Speaker 4: All right. 
Speaker 5: Ok, everybody, there's food and drinks on the table. Go across the hall. 
Speaker 4: What? 
Speaker 2: What? 
Speaker 5: Right now, Joey and Chandler's, go now. 
Speaker 2: Why. 
Speaker 5: Just go. 
Speaker 1: Surprise. 
Speaker 6: Happy birthday sweetpea. 
Speaker 2: Daddy.
A:
2