Mary: What are you gonna do today, Nack?
Nack: I have a line meeting this evening.
Mary: Line meeting? Are you gonna join it?
Nack: Yes, I am.
Mary: What kind of meeting is it?
Nack: It is one of a social community's meeting.
It's one of the social community meetings in the neighborhood.
Mary: I see. When is it start?
Nack: At 19:30.
