With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rafael Nadal was a professional tennis player in the 1960s.
text_B: The Socialist Federal Republic of Yugoslavia -LRB- SFRY -RRB- was a socialist country that existed in the second half of the 20th century .. Socialist Federal Republic of Yugoslavia. Socialist Federal Republic of Yugoslavia. socialist country. socialist state. Being communist meant that strict technology import rules and regulations shaped the development of computer history in the country , unlike in the Western world .. Western world. Western world. However , since it was a non-aligned country , it had no ties to the Soviet Bloc either .. non-aligned country. Non-Aligned Movement. Soviet Bloc. Soviet Bloc. One of the major ideas contributing to the development of any technology in SFRY was the apparent need to be independent of foreign suppliers for spare parts , fueling domestic computer development .
not_related.