With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Mariah Carey is called a nickname by a reference book .
text_B: Referred to as the `` songbird supreme `` by the Guinness World Records , she has a five-octave vocal range , power , melismatic style and signature use of the whistle register .
SUPPORTS.