Determine if the sentence is true based on the text below:
Production of the film took 3 years.

Identification Marks: None (Polish: Rysopis ) is a 1964 Polish drama film directed by Jerzy Skolimowski. It was the first feature film directed by Skolimowski, after the shorts "Erotique", "Little Hamlet", "The Menacing Eye", "Boxing" and "Your Money or Your Life".
It's impossible to say