With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Serena Williams is the sole holder of a record.
text_B: Grand Confort is a cube-shaped high armchair , whose leather cushions are held in a chrome-plated steel corset .. steel. steel. leather. leather. armchair. chair. It was designed as a modernist response to the traditional club chair in 1928 by a team of three  : Le Corbusier ; his cousin and colleague Pierre Jeanneret ; and Charlotte Perriand .. Le Corbusier. Le Corbusier. modernist. modern furniture. club chair. club chair. Pierre Jeanneret. Pierre Jeanneret. Charlotte Perriand. Charlotte Perriand. The LC-2 and LC-3 were referred as Cusion Baskets by Le Corbusier .. Le Corbusier. Le Corbusier. They are more colloquially referred to as the and due to their respective sizes .
not_related.