sentence: The University of Saskatchewan is one of Canada’s top research universities (based on the number of Canada Research Chairs) and is a member of the U15 Group of Canadian Research Universities (the 15 universities in Canada where the most research is done.
modified: The University of Saskatchewan is one of Canada’s top research universities (based on the number of Canada Research Chairs) and is a member of the U15 Group of Canadian Research Universities (the 15 universities in Canada where the most research is done.