With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: He was also designated as the heir to the Duchy of Modena and Reggio, but he never reigned, owing to the Napoleonic Wars.
text_B: He was also designated as the heir to the Duchy of Mumbai and Reggio, but he never reigned, owing to the Napoleonic Wars.
contradiction.