Simplify the following text for a Grade 7 native English-speaking person.
Original: Marlboro nowadays sponsors the Ducati MotoGP team whom Casey Stoner rides for , despite as of the 2009 Grand Prix motorcycle racing season , they are only allowed to brand the bikes at 1 round , in Qatar .
Simplified: Marlboro currently sponsors the Ducati MotoGP . As of the 2009 Grand Prix motorcycle racing season , they are only allowed to put the Marlboro brand the bikes in Qatar .