With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: This condition is sometimes confused with sinoatrial block, a condition in which the pacing impulse is generated, but fails to conduct through the myocardium.
text_B: This condition is sometimes confused with sinoatrial block, a condition in which the pacing impulse is generated.
entailment.