With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: They are more commonly known as the Branch Gnathostomata, and are described as having double nasal chambers, or nostrils, and jaws.
text_B: They are more commonly known as the Branch Gnathostomata, and are described as having double nasal chambers,, and jaws.
entailment.