With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Istanbul is located on the historic Silk Road .
text_B: Istanbul 's strategic position on the historic Silk Road , rail networks to Europe and the Middle East , and the only sea route between the Black Sea and the Mediterranean have produced a cosmopolitan populace , although less so since the establishment of the Turkish Republic in 1923 .
SUPPORTS.