With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Stoner rock or stoner metal is a rock music fusion genre that combines elements of heavy metal and/or doom metal with psychedelic rock and acid rock.
text_B: Stoner stoner metal is a rock music fusion genre that combines elements of heavy metal and/or doom metal with psychedelic rock and acid rock.
entailment.