With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Flo Rida has worked with Robin Thicke.
text_B: The Waimea Plains Railway was a secondary railway line -LRB- not a branch line -RRB- that linked the towns of Lumsden and Gore in northern Southland , New Zealand .. railway. railway. branch line. branch line. Lumsden. Lumsden, New Zealand. Gore. Gore, New Zealand. Southland. Southland, New Zealand. New Zealand. New Zealand. It skirted the Hokonui Hills , and operated as a through route between 31 July 1880 and 1 April 1971 , with the short section from Lumsden to Balfour continuing as the Balfour Branch until 15 January 1978 .. Lumsden. Lumsden, New Zealand. Hokonui Hills. Hokonui Hills. Balfour. Balfour, New Zealand
not_related.