With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roy Whiting is an English convicted killer.
text_B: `` Salam Affandina '' was the national anthem of Egypt from 1914 to 1958 , when it was replaced with `` Walla Zaman Ya Selahy '' .. Walla Zaman Ya Selahy. Walla Zaman Ya Selahy. It was renamed `` Egyptian Republican Anthem '' in 1953 after the Egyptian revolution of 1952 .. Egyptian revolution of 1952. Egyptian revolution of 1952. It was instrumental and had no official lyrics .. Category  : Anthems of Egypt. Category  : Historical national anthems
not_related.