#Person1#: Lily, do you know Lizzy? 
#Person2#: Lizzy who? 
#Person1#: Lizzy smith. 
#Person2#: Of course I do. 
#Person1#: Then, Do you know her younger sister? 
#Person2#: You mean Mary? 
#Person1#: Yes. 
#Person2#: Sure. I know her elder sister Sue and younger sister Mary. 
#Person1#: Oh, not bad. Then do you know her mother? 
#Person2#: Yes, certainly. I know her mother and father, and brother and sisters, too. 
#Person1#: That sounds terrific. 
#Person2#: Why do you ask me these questions? 
#Person1#: I just want to visit the family some day. 
#Person1# asks Lily about Lizzy's family because #Person1# wants to pay a visit.
family