With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Avril Lavigne is a song by Nelly Furtado .
text_B: Since her professional debut , Lavigne has sold more than 40 million albums and over 50 million singles worldwide making her the 2nd best selling Canadian Female Artist of all time , only behind Celine Dion .
REFUTES.