Given the task definition and input, reply with output. You are given a dialog between 2 or more individuals. Within the dialog, there will be clues as to the names of the speakers. You will be asked at the end of the dialog to identify the name of one of the speakers.

Speaker 1: Hey, how's my favorite parenting team doing?
Speaker 2: Dr. Franzblau, hi.
Speaker 1: So, I understand you're thinking of having a baby? Well, I see you're nine months pregnant. That's a good start. How you doing with your contractions?
Speaker 3: Oh, I love them. Each one's like a little party in my uterus.
Speaker 4: They're every four minutes and last 55 seconds.
Speaker 2: 59 seconds. Quartz, ha.
Speaker 4: Swiss quartz, ha, ha.
Speaker 3: Am I allowed to drink anything?
Speaker 1: Ice chips, just ice chips. They're at the nurses' station.
Speaker 2: I'll get it.
Speaker 4: No, I'm getting it. I'll be right back.
Speaker 2: I got it-I'm getting it!
Speaker 5: Hi, I thought you might like some ice chips.
Speaker 3: Thanks.
Speaker 5: And if you need anything else, I--do not believe we've met. Hi. I'm, uh, Rachel Green. I'm Carol's... ex-husband's... sister's roommate.
Speaker 1: It is nice to meet you. I'm Dr. Franzblau. I'm your roommate's... brother's... ex-wife's obstetrician.
Speaker 5: Oh, that's funny! What is the name or nickname of
Speaker 5?
Rachel Green