Waiting for Godot by Samuel Beckett portrays two tramps, Vladimir and Estragon, and draws heavily on the farcical gestures of vaudeville performers and circus clowns

In creating Les Demoiselles d' Avignon, Pablo Picasso combined lessons from Paul Cézanne with

African masks. Roman sculpture. Japanese prints. medieval illumination.

If the playwright has been deceased for more than seventy years, the copyright no

longer applies. What is this called?

What will be an ideal response?