With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The driverless Vancouver SkyTrain surpassed the Dubai Metro ’ s total route length in 2016 .
text_B: However , its total route length have since been surpassed by the fully automated driverless Vancouver SkyTrain as of December 2016 .
SUPPORTS.