With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: In January 2020 , China and the U.S. found the receptor for the new coronavirus ( 2019-nCoV ) .
text_B: On 22 January , a group in China working with the full virus and a group in the U.S. working with reverse genetics independently and experimentally demonstrated ACE2 as the receptor for 2019-nCoV.To look for potential protease inhibitors , the viral 3C-like protease M ( pro ) from the ORF1a polyprotein has also been modeled for drug docking experiments .
NOT ENOUGH INFO.