With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Chasing Cars is a British best-selling song that has sold under 3.5 million copies before 2013 .
text_B: It has also sold 3,900,000 copies in the US by January 2015 , making it one of the top best-selling rock songs in the digital era .
NOT ENOUGH INFO.