Question: Do director of film Vortex (1976 Film) and director of film Pestonjee share the same nationality?
Sentence (from "Vortex (1976 film)"): Blondy( also known as Blondie, Germacide, and Vortex) is a 1976 erotic thriller film directed by Sergio Gobbi and starring Rod Taylor, Bibi Andersson, Catherine Jourdan, and Mathieu Carrière.
Relevant evidence: Yes