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'.

Ex Input:
Speaker 1: Hey good scene man.
Speaker 2: Hey you too!
Speaker 1: Alright.
Speaker 2: What? You weren't in it.
Speaker 3: Oh!
Speaker 2: Oh sorry. Uh-uh, Kash?
Speaker 4: Yes?
Speaker 2: This is my friend Rachel. Rachel, Kash, Kash, Rachel.
Speaker 3: Hi.
Speaker 4: Hey! How come I haven't seen you here before?
Speaker 3: Well, Joey probably thinks I'll just embarrass him. Y'know, he thinks I'm some kind of a soap opera nut-Which I'm not! I'm not. Although I do know that your uh, your favorite ice cream flavor is butter pecan. And uh, and that your-your dog's name is Wally. Well look at that, I'm just stroking your arm.
Speaker 2: Here we go! Here we go!
Speaker 3: Oh, we're leaving. Bye Kash.
Speaker 4: Bye.
Speaker 3: Say hi to Wally.

Ex Output:
2

Ex Input:
Speaker 1: Uh-oh. It's Scary Scientist Man.
Speaker 2: Ok, Phoebe, this is it. In this briefcase I carry actual scientific facts. A briefcase of facts, if you will. Some of these fossils are over 200 million years old.
Speaker 1: Ok, look, before you even start, I'm not denying evolution, ok, I'm just saying that it's one of the possibilities.
Speaker 2: It's the only possibility, Phoebe.
Speaker 1: Ok, Ross, could you just open your mind like this much, ok? Wasn't there a time when the brightest minds in the world believed that the world was flat? And, up until like what, 50 years ago, you all thought the atom was the smallest thing, until you split it open, and this like, whole mess of crap came out. Now, are you telling me that you are so unbelievably arrogant that you can't admit that there's a teeny tiny possibility that you could be wrong about this?
Speaker 2: There might be, a teeny, tiny, possibility.
Speaker 1: I can't believe you caved.
Speaker 2: What?
Speaker 1: You just abandoned your whole belief system. I mean, before, I didn't agree with you, but at least I respected you. How, how, how are you going to go into work tomorrow? How, how are you going to face the other science guys? How, how are you going to face yourself? Oh! That was fun. So who's hungry?

Ex Output:
1

Ex Input:
Speaker 1: Y'know, I don't like to brag about it, but I give the best massages!
Speaker 2: All right, then massage me up right nice!
Speaker 2: Ah! Ahh!! Ahh!!
Speaker 1: It's so good, isn't it?
Speaker 2: It's so good I don't know what I've done to deserve it!
Speaker 1: Say good-bye to sore muscles!
Speaker 2: Good-bye muscles!!
Speaker 2: I'm telling you, she gives the worst massages ever!! Okay, it was like she was torturing me for information. And I wanted to give it up I just-I didn't know what it was!
Speaker 3: Chandler, if it really hurts that bad you should just tell her.
Speaker 2: Look, for the first time in my life I'm in a real relationship. Okay, I'm not gonna screw that up by y'know, telling the truth.

Ex Output:
2