With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The flight control had been bumped by one of the crew , altering the autopilot settings .
text_B: The captain , first officer , and flight engineer had become fixated on a faulty landing gear light and had failed to realize that the flight controls had been bumped by one of the crew altering the autopilot settings from level flight to a slow descent .
SUPPORTS.