Question: Do both directors of films Marmayogi and The Diamond Arm have the same nationality?
Sentence (from "Marmayogi"): The film features Serukalathur Sama playing the title role; M. G. Ramachandran, Madhuri Devi and Anjali Devi in the lead roles; with Pandari Bai, M. N. Nambiar and S. V. Sahasranamam playing supporting roles.
Relevant evidence: No