With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: On the south-west the outer wall or enceinte is entered by a rude gateway of a single pointed arch about eight feet high and five feet broad.
text_B: On the south - west the outer wall is entered by a rude gateway of a single pointed arch about eight feet high and five feet broad.
entailment.