With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carole King is a singer with American citizenship.
text_B: Willem Andries Liebenberg -LRB- born 31 August 1992 -RRB- is a South African rugby union player , currently playing with French Top 14 side .. rugby union. rugby union. French. France. Top 14. Top 14. His regular position is flanker .. flanker. Flanker ( rugby union )
not_related.