With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: In music, a major scale and a minor scale that have the same tonic are called parallel keys and are said to be in a parallel relationship.
text_B: In music, a major scale and a minor scale that have the different tonic are called parallel keys and are said to be in a parallel relationship.
contradiction.