With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tesla Model S is an electric truck.
text_B: Ellis George Perks , is a British speedway rider , born 18 March 1997 , Worcester .. Worcester. Worcester. In December 2016 he signed to ride for the Rye House Rockets in the SGB Premiership and the Redcar Bears in the British SGB Championship .. Rye House Rockets. Rye House Rockets. Redcar Bears. Redcar Bears. SGB Premiership. SGB Premiership. SGB Championship. SGB Championship
not_related.