Complex sentence: However, in the 2010--11 European Challenge Cup, Stade Français clinched top seed after the Pool stage, winning all 6 of their matches, though their pool did include Leeds Carnegie, Bucureşti Oaks and Crociati Parma, with the latter two being semi-professional sides.
Split into simpler sentences: However, in the 2010--11 European Challenge Cup, Stade Français clinched top seed after the Pool stage, winning all 6 of their matches. Their pool, however, did include Leeds Carnegie, Bucureşti Oaks and Crociati Parma, with the latter two being semi-professional sides.