18 year old middle-class girl: What's that?
Her brother: The BT Tower
Girl: What happens there?
Girl: What's that?
Bro: A blue plaque.
Girl: What's a blue plaque?
Bro: It's what they put up when someone famous has lived in the house
Girl: Are they dead celebrities?
Girl: Did they die in the house?
Girl: What's a Suffragette?
Bro: Didn't you learn about them in school?
Girl: I didn't learn anything in school
Bro: Well, they were a group who fought for Women's Rights
Girl: Would I have learnt about them in History?
.......... Someone's mobile starts ringing further down the bus
Girl: *With glee* La da da da di la da da! I love this one!!!!!!!