Question: Are both Bernardo Bertolucci and George Tzavellas film directors?
Sentence (from "Bernardo Bertolucci"): Bernardo Bertolucci (] ; born 16 March 1940) is an Italian director and screenwriter, whose films include "The Conformist", "Last Tango in Paris", "1900", "The Last Emperor", "The Sheltering Sky", "Stealing Beauty" and "The Dreamers".
Relevant evidence: Yes