Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Zorns Lemma (film) - Zorns Lemma is a 1970 American structural experimental film by Hollis Frampton. It is named after Zorn's lemma (also known as the KuratowskiZorn lemma) a proposition of set theory formulated by mathematician Max Zorn in 1935. It remains along with Michael Snow's Wavelength and Tony Conrad's The Flicker one of the best known examples of structural filmmaking. The experimental filmmaker Ernie Gehr stated: Zorns Lemma is a major poetic work.
A:
Film