With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: NSYNC was formed in Orlando in 1995.
text_B: The Neath by-election , 1991 was a by-election held on 4 April 1991 for the British House of Commons constituency of Neath in Wales .. by-election. by-election. British House of Commons. British House of Commons. constituency. United Kingdom constituencies. Neath. Neath ( UK Parliament constituency ). Wales. Wales. It was won by the Labour Party candidate Peter Hain .. Labour Party. Labour Party ( UK ). Peter Hain. Peter Hain
not_related.