With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: There are several Coptic alphabets, as the Coptic writing system may vary greatly among the various dialects of the Coptic language.
text_B: There are several Coptic alphabets, as the Coptic writing system may vary greatly among the various dialects and subdialects of the Coptic language.
neutral.