You are given a dialog between 2 or more individuals.  The dialog will include information as to the relationship between 2 of the participants.  At the end, you will be asked to provide an answer as to the relationship of those 2 participants.  In this scenario, '0' will represent a spousal relationship, '1' will represent siblings, and '2' will represent a child/parent relationship.

Speaker 1: Hey dad, what's up? Oh God. Ross, it's Nana. 
Speaker 2: So, uh, how's she doing? 
Speaker 3: The doctor says it's a matter of hours. 
Speaker 1: How-how are you, Mom? 
Speaker 4: Me? I'm fine, fine. I'm glad you're here. ...What's with your hair? 
Speaker 1: What? 
Speaker 4: What's different? 
Speaker 1: Nothing. 
Speaker 4: Oh, maybe that's it. What is the relationship between 
Speaker 1 and 
Speaker 4?
2