Explanation:

Certainly! Here is some information on the options provided:

- Zhang Yang: A renowned Chinese filmmaker known for his work in independent cinema. However, he did not chair the International Jury of the 50th International Film Festival of India.

- Lucretia Martel: An acclaimed Argentine director, known for her impactful films in the international cinema circuit. She was not the chair either.

- John Bailey: ?? Correct Answer! He is a well-known cinematographer and was the chair of the International Jury at the 50th International Film Festival of India.

- Robin Campillo: A French screenwriter and director known for films like "BPM (Beats per Minute)." He wasn't the jury chair.

- None of the above: This option is incorrect since John Bailey chaired the jury.