Complex sentence: Established in 1985, the Avenue Video chain exploded during the 1980's to comprise a number of franchises in the Montreal area to sustain the growing demand for vhs cassettes for viewing in newly acquired Videocassette recorders (VCRs).
Split into simpler sentences: Established in 1985, the Avenue Video chain exploded during the 1980's to comprise a number of franchises in the Montreal area. The chain entered the market to fill the growing demand for vhs cassettes for viewing in newly acquired videocassette recorders (VCRs).