Question: Do both films The Dark Swan (Film) and Karthika (Film) have the directors that share the same nationality?
Sentence (from "M. Krishnan Nair (director)"): His second son is Harikumar, while his youngest son Sreekumar Krishnan Nair is a film director best known for directing" O' Faby", India's first live- action/ animation hybrid feature film.
Relevant evidence: No