Question: Do both directors of films Strictly Unconventional and Nartaki (1940 Film) share the same nationality?
Sentence (from "Strictly Unconventional"): Strictly Unconventional is a 1930 American drama film directed by David Burton, written by Sylvia Thalberg and Frank Butler, and starring Catherine Dale Owen, Paul Cavanagh, Tyrell Davis, Lewis Stone and Ernest Torrence.
Relevant evidence: Yes