Complex sentence: Marc Wadsworth is a British anti-racism activist and citizen journalist who for more than 30 years has been involved with anti-racist struggles, including the Anti-Racist Alliance and the campaign for justice for the murdered teenager Stephen Lawrence.
Split into simpler sentences: Marc Wadsworth is a British anti-racism activist and citizen journalist. He is involved with anti-racist struggles, including the Anti-Racist Alliance and the campaign for justice for the murdered teenager Stephen Lawrence.