With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aruba is divided into eight regions for governmental purposes.
text_B: The 158th Infantry Brigade was an infantry brigade of the British Army that served in both World War I and World War II before being disbanded in 1968 .. Infantry. Infantry. Brigade. Brigade. World War I. World War I. World War II. World War II. infantry. infantry. brigade. brigade. British Army. British Army. Throughout its existence the brigade was assigned to the 53rd -LRB- Welsh -RRB- Infantry Division and was composed almost entirely of Territorial battalions from the Royal Welch Fusiliers .. Infantry. Infantry. brigade. brigade. Territorial. Army Reserve ( United Kingdom ). Royal Welch Fusiliers. Royal Welch Fusiliers
not_related.