Question

The film Night and Fog by Alain Resnais focuses on showing the horrors of Hitler’s concentration camps. It describes the lives of the prisoners during the time through black-and-white and color footages. The film also includes a narrator talking about the rise of Nazi ideology. Moreover, the film showcases some images of gas chambers and piles of bodies. Based on the description of Night and Fog, to which genre does the film belong?
A.
action
B.
documentary
C.
drama
D.
horror