Question: Do both directors of films Ma Su Chen and Uncertain Lady share the same nationality?
Sentence (from "Uncertain Lady"): Uncertain Lady is a 1934 American comedy film directed by Karl Freund, written by Daniel Evans, Doris Anderson, Edward A. Curtiss, George O'Neil and Don Ryan, and starring Edward Everett Horton, Genevieve Tobin, Paul Cavanagh, Mary Nash, Renee Gadd and Donald Reed.
Relevant evidence: Yes