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: Hey everybody, look who's here! You remember my grandmother!
Speaker 2: Big night!
Speaker 3: This is so cool!
Speaker 4: So, Joey on Law & Order, you must be very proud!
Speaker 1: Chandler, she doesn't understand a word of English.
Speaker 4: I'm sorry, I thought you were Joey's other grandmother. I've done it again.
Speaker 1: She's my biggest fan. Yeah, she's the only one in the family that's believed in me.
Output:
1