With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Vienna is in Austria .
text_B: Vienna is Austria 's primary city , with a population of about 1.8 million -LRB- 2.6 million within the metropolitan area , nearly one third of Austria 's population -RRB- , and its cultural , economic , and political centre .
SUPPORTS.