Premise: The 1999 British Grand Prix was a Formula One motor race held on 11 July 1999 at the Silverstone Circuit near Silverstone , England . Formula König was an open wheel racing series based in Germany and sponsored by German automobile company König Komfort - und Rennsitze GmbH ( König comfort and racing seats GmbH ) . Formula Three , also called Formula 3 or F3 , is a class of open-wheel formula racing . Formula Three has traditionally been regarded as the first major stepping stone for F1 hopefuls -- it is typically the first point in a driver 's career at which most drivers in the series are aiming at professional careers in racing rather than being amateurs and enthusiasts . Michael Schumacher . After beginning in karting , Schumacher won the German drivers ' championships in Formula König and Formula Three before joining Mercedes in the World Sportscar Championship .
Hypothesis: Michael Schumacher is a professional racer.
Label: ENTAILMENT