In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Q: Blue Vinyl is a 2002 documentary film directed by Daniel B. Gold and Judith Helfand. With a lighthearted tone, the film follows one woman's quest for an environmentally sound cladding for her parents' house in Merrick, Long Island, New York. It also investigates the many negative health effects of polyvinyl chloride in its production, use and disposal, focusing on the communities of Lake Charles and Mossville, Louisiana, and Venice, Italy. Filming for "Blue Vinyl" began in 1994. Question: Blue Vinyl and Man on Wire are both what? Answer: documentary film
A:
Blue Vinyl is a 2002 documentary film directed by Daniel B. Gold and Judith Helfand.