Use reasoning to lead to the answer of the following question:
Where would you see a picture created by a professional?\nOptions:\n- wall\n- shelf\n- on a wall\n- desktop\n- art show

art show
Professional artists tend to display their art work in exhibitions.

An exhibition of painted pictures and artwork is called an art show.

People can also buy that art work at the art show.

.

Final answer: art show