Natasha has been living philadelphia for several months and is rapidly mastering the english language. however, she often turns to her american friend, emily, when she is uncertain about a concept. one day, natasha turns to emily and asks, "what are you meaning when you say this word 'vehicle' " if you were emily, which of these prototypes would be most likely to point to feel fairly certain that natasha "gets it"?
a. a jet liner passing overhead.
b. an elevator
c. an escalator
d. an