Question: Are Alain Tanner and Marco Bellocchio both directors?

Context paragraphs:
Il gabbiano: Il gabbiano ] (i.e. "The seagull") is a 1977 Italian drama film written and directed by Marco Bellocchio.  It is loosely based on the Anton Chekhov's drama play "The Seagull".

Marco Bellocchio: Marco Bellocchio (] ; born 9 November 1939) is an Italian film director, screenwriter, and actor.

Fabio Garriba: Born in Soave, Garriba started his career on stage, and in 1969 he made his film debut in Dziga Vertov Group's "Le Vent d'est".  He later worked with prominent directors such as Roberto Rossellini, Bernardo Bertolucci, Ettore Scola, Marco Bellocchio and Luigi Magni.  He also had leading roles in films directed by his twin brother Mario, notably the Golden Leopard winner "On the Point of Death".

Sweet Dreams (2016 film): Sweet Dreams (Italian: Fai bei sogni ) is a 2016 Italian film directed by Marco Bellocchio.  It is based on the novel "Sweet Dreams, Little One" by Massimo Gramellini.  It was screened in the Directors' Fortnight section at the 2016 Cannes Film Festival.

Jonah Who Will Be 25 in the Year 2000: Jonah Who Will Be 25 in the Year 2000 (French: "Jonas qui aura 25 ans en l'an 2000" ) is a 1976 Swiss film directed by Alain Tanner and written by Tanner and John Berger.  The location of the shooting was Geneva.

Lucca Film Festival: Its purpose is to offer its audience a new approach to cinema; to promote a cinematographic culture made of a plurality of sights, styles and perspectives; and, most of all, to introduce attendees to a new sensory and intellectual experience Throughout the years, the Lucca Film Festival has dealt with the various contrasts of today’s cinema: Attendees to the LFF have included important directors, actors and international artists, like Kenneth Anger, Jonas Mekas, Tsai Ming-liang, Michael Snow, Paolo Taviani, , Lou Castel, Abel Ferrara, Philippe Garrel, György Pálfi, Antoni Padrós, Benedek Fliegauf, Peter Greenaway, John Boorman, David Lynch, David Cronenberg, Terry Gilliam, William Friedkin, George A. Romero, Marco Bellocchio, Paolo Sorrentino.

La colpa e la pena: La colpa e la pena is a 1961 Italian film directed by Marco Bellochio.  The screenplay and the story were also was written by Marco Bellocchio.

Fists in the Pocket: Fists in the Pocket (I pugni in tasca) is a 1965 Italian film directed by Marco Bellocchio.  It was Bellocchio's debut film.

Renato Berta: Renato Berta is a Swiss cinematographer and film director, best known for his collaborations with directors Alain Tanner and Jean-Marie Straub.  Trained at the Centro Sperimentale di Cinematografia in Rome, Berta has worked as cinematographer in more than 100 films since 1969.  He won a César Award for Best Cinematography for "Au revoir les enfants" in 1988 and a David di Donatello for Best Cinematography for "Noi credevamo" in 2011.

Alain Tanner: Alain Tanner (born 6 December 1929) is a Swiss film director.

Supporting paragraphs: Alain Tanner Marco Bellocchio
Answer: yes