You will be given a definition of a task first, then some input of the task.
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).

Speaker 1: Oh, right. Um, I've got some news. It's about us.
Speaker 2: Oh, you and me?
Speaker 1: Uh, no, Susan and me.
Speaker 3: The other us.
Speaker 2: Ok.
Speaker 1: We're uh, we're getting married.
Speaker 2: As in, "I now pronounce you wife and wife" married?
Speaker 1: Anyway, we'd like you to come, but we totally understand if you don't want to.
Speaker 2: Why wouldn't I want to come? I had fun at the first wedding.
Speaker 1: Look I just thought that...
Speaker 2: No no no, I mean, hey, why shouldn't I be happy for you? What would it say about me if I couldn't revel in your joy? I'm revelling baby, believe me!
Speaker 3: Is your finger caught in that chair?
Speaker 2: Mmm hmmm.
Speaker 1: Want us to go?
Speaker 2: Uh-huh. Speaker 3 is or was dating which Speaker?
Output:
Speaker 1