With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tyrion Lannister is also referred to another name.
text_B: The 1796 Pattern British Infantry Officers Sword was carried by officers of the line infantry in the British Army between 1796 and the time of its official replacement with the gothic hilted sword in 1822 .. Infantry. Infantry. Officers. Officer ( armed forces ). Sword. Sword. line infantry. line infantry. British Army. British Army. gothic hilted sword. Gothic Hilted British Infantry Swords ( 1822, 1827, 1845, 1854 and 1892 Patterns ). This period encompassed the whole of the Napoleonic Wars .. Napoleonic Wars. Napoleonic Wars
not_related.