Complex sentence: Chicago Fire is an American professional soccer club based in the Chicago suburb of Bridgeview, Illinois which competes in Major League Soccer (MLS), the top professional soccer league in the United States of America and Canada.
Split into simpler sentences: Chicago Fire is an American professional soccer club based in the Chicago suburb of Bridgeview, Illinois. The club competes in Major League Soccer (MLS), the top professional soccer league in the United States of America and Canada.