With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Hill from Bucks Fizz is also known as Grassy .
text_B: Unsure of which female vocalist to use , she ultimately decided to use both and Martin stepped down from the group in order to team up with Hill for another line-up as they had two songs in the competition .
NOT ENOUGH INFO.