How do you distinguish between Kuchipudi and Bharatnatyam dances?

1. Dancers occasionally speaking dialogues is found in Kuchipudi dance but not in Bharatnatyam.
2. Dancing on the brass plate by keeping the feet on its edges is a feature of Bharatnatyam but Kuchipudi dance does not have such a form of movements.

Which of the statements given above is/are correct?