With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Treatment with anthelmintics, such as levamisole, is usually sufficient to cure " C. aerophila " infestations.
text_B: Treatment with anthelmintics, such as levamisole or fenbendazole, is usually sufficient to cure "C. aerophila" infestations.
neutral.