With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: There were less than 8,500 confirmed coronavirus cases in China by January 30 , 2020 .
text_B: As of 31 January 2020 ( 02:30 UTC ) , there were 9,776 confirmed cases of infection , of which 9,658 were within mainland China .
REFUTES.