Simplify the following text for a Grade 6 native English-speaking person.
Original: Other prominent professional wrestling companies are Total Nonstop Action Wrestling ( TNA ) and Ring of Honor ( ROH ) . In Mexico , the top promotions are Consejo Mundial de Lucha Libre and Asistencia AsesorÃ a y AdministraciÃ n. In Japan , it is New Japan Pro Wrestling , All Japan Pro Wrestling , and Pro Wrestling NOAH .
Simplified: Professional wrestling ( or pro wrestling ) is a kind of sport .