Complex sentence: On December 5,1990, the Canadian Broadcasting Corporation enacted substantial budget cuts across the organization, shuttering all local progamming on CJBR-TV, CBGAT, and CBST.
Split into simpler sentences: On December 5,1990, the Canadian Broadcasting Corporation enacted substantial budget cuts across the organization. As part of the cutbacks, the CBC ended the local operations of CJBR-TV, CBGAT, and CBST.