Question: Which documentary involved one person, Voices of Iraq or Project Grizzly?
Sentence (from "Project Grizzly (film)"): Project Grizzly is a 1996 National Film Board of Canada documentary about the lifelong project of Troy Hurtubise, a man who has been obsessed with researching the Canadian grizzly bear up close, ever since surviving an early encounter with such a bear.
Relevant evidence: Yes