Instructions: 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).
Input: Speaker 1: I'm... I'm just... I'm the worst person ever. How can I not tell David that I'm seeing Mike? 
Speaker 2: Maybe he didn't give you a chance. 
Speaker 1: He said: Are you seeing someone? And I said no... 
Speaker 2: Oh, well... That had been your window. 
Speaker 1: Yeah! I mean, I don't know. I was just , I was looking, I was looking in his eyes and I was just thinking: Oh my God! It's David. David's here. He's just, he's so irresistible. 
Speaker 2: Really? The scientist guy? 
Speaker 1: Really? Chandler? 
Speaker 2: Continue... 
Speaker 1: Oh. Okay, then it gets worse, 'cause then I told him that I would see him tomorrow night. 
Speaker 2: Phoebe! 
Speaker 1: I know! Evil! And... and... and... I like Mike so much, you know. It's just going really well. Oh my God! 
Speaker 2: Wow, isn't it ironic that David would show up on the same day that you and Mike exchange keys? 
Speaker 1: Uhuh... Yeah...!, you know. And given my life long search for irony, you can imagine how happy I am. 
Speaker 2: What are you gonna do? 
Speaker 1: I mean I guess, I just have to... tell David that nothing can happen between us. Unless I don't... You know, complicated moral situation, no right, no wrong... 
Speaker 2: You have to tell David! 
Speaker 1: Okay, I knew I should have had this conversation with Joey. Mike is or was dating which Speaker?
Output:
Speaker 1