Note to recorder:
Natural speed, please do not read 'Mary' or 'John', just make it sound like a real conversation.
Mary: Look, John. The underground map is over there. Hem.. we are here, at King's Cross station. Where's Green Park?
John: Follow the light blue line, the Brixton line.
Mary: Which is the right direction?
John: It's Victoria .
Mary: How many stops are there?
John: It's four stops from here.
Mary: Where can we buy tickets?
John: There's an automatic machine over there.
Mary: Here it is. Fortunately it isn't rush hour .
Yes, it isn't too crowded .
