Simplify the following text for a Grade 14 native English-speaking person.
Original: Following the Olympics , Cavendish remained angry with British Cycling for giving insufficient attention to the madison , though Chris Boardman stated that Cavendish 's professional commitments also interfered with his build up to the Olympics .
Simplified: Following the Olympics , Cavendish remained angry with British Cycling for not giving much attention to the madison , though Chris Boardman said that Cavendish 's professional commitments also interfered with his build up to the Olympics .