With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The Airbus A319neo had 50 orders placed before August 2017 while the A320neo had more than 3,690 and the A321neo had less than 1,425 .
text_B: The A319neo is the least popular variant of the Airbus A320neo family , with total orders for only 51 aircraft placed as of 31 August 2017 , compared with 3,688 for the A320neo and 1,429 for the A321neo.
NOT ENOUGH INFO.