Simplify the following text for a Grade 2 native English-speaking person.
Original: BBC Sport has monopolised the sports commentary market on British radio since the BBC 's conception but since 2000 , has lost coverage of some sporting events to TalkSPORT . BBC Sport broadcasts its radio commentaries on BBC Radio Five Live and BBC Radio Five Live Sports Extra under their Five Live Sports banner and online on the BBC website .
Simplified: BBC Sport is part of the bbc .