Read the text to answer.
Eva is an adult immigrant learner of English in Canada and she is talking to a co-worker.
M: Do you see him? And pointed at the man on TV.
E: Yes, why?
M: Don’t you know him?
E: No, I don’t know him.
M: How come you don’t know him? Don’t you watch TV? That’s Bart Simpson.
The notion that is central to the scenario presented is: