Given the task definition, example input & output, solve the new input case.
You are given a dialog between 2 or more individuals. Within the dialog, there will be clues that indicate two individuals were or are dating. You will be prompted at the end to answer which Speaker (or named individual) is dating which other Speaker (or named individual).
Example: 'Speaker 1: Hi! 
Speaker 2: Hi. 
Speaker 1: Oh, I'm so glad you called. I feel like it's always me calling you. So, what's up? Is everything okay with Phoebe? 
Speaker 2: It will be...in a minute. Listen, Tim you're a really great guy.  
Speaker 1: It's because I'm with you. 
Speaker 2: Aw. I'm just-I'm in a place in my life right now where I...I... 
Speaker 1: Whoops. Sorry. This just in. Oh, it's 9-1-1 from the restaurant, that means Monica needs me right away.
Speaker 2: Oh-oh no she doesn't! I know what that is. You can stay. 
Speaker 1: Awww, I'll miss you too Pheebs. And I will be holding you, right here. 
Speaker 2 is or was dating which Speaker?'
Output: Speaker 1
Speaker 2 is giving clues to Speaker 1 about issues in their relationship.

New input case for you: Speaker 1: And why not?! 
Speaker 2: Because I'm in love with Monica!! 
Speaker 1: You're-you're what?! 
Speaker 2: Love her! That's right, I...LOVE...HER!!! I love her!! I love you, Monica. 
Speaker 3: I love you too Chandler. 
Speaker 1: I just-I thought you guys were doing it, I didn't know you were in love! 
Speaker 4: Dude! 
Speaker 2: And hats off to Phoebe. Quite a competitor. And might I say your breasts are still showing. 
Speaker 1: God! 
Speaker 4: All right! So that's it! It's over! Everybody knows! 
Speaker 3: Well actually, Ross doesn't. 
Speaker 2: Yes, and we'd appreciate it if no one told him yet. Speaker 2 is or was dating which Speaker?
Output:
Speaker 3