Question: What film by the well-known Russian film director who directed silent films such as "Strike (1925), and "Battleship Potemkin(1925) was based on the true story of Pavlik Morozov and thought to have been destroyed before its completion?
Sentence (from "Bezhin Meadow"): The film draws its title from a story by Ivan Turgenev, but is based on the life of Pavlik Morozov, a young Russian boy who became a political martyr following his death in 1932, after he denounced his father to Soviet government authorities and subsequently died at the hands of his family.
Relevant evidence: Yes