With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aruba is a sea.
text_B: The Cape Government Railways 0-4-0ST of 1873 was a South African steam locomotive from the pre-Union era in the Cape of Good Hope .. 0-4-0ST. 0-4-0. Cape Government Railways. Cape Government Railways. Union. Union of South Africa. Cape of Good Hope. Cape Colony. In 1873 , two Cape gauge saddle-tank locomotives with a 0-4-0 wheel arrangement were placed in construction service by Mac Donald & Company , contractors to the Port Elizabeth and Uitenhage Railway Company .. Cape gauge. Cape gauge. When the contract was completed in 1875 , the railway and the locomotives were taken over by the Midland System of the Cape Government Railways .. Cape Government Railways. Cape Government Railways. A third locomotive , built to the same design , was delivered to the Western System in Cape Town in 1874 .. Cape Town. Cape Town. These were the first Cape gauge locomotives to enter service in South Africa .. Cape gauge. Cape gauge
not_related.