 Complete the following phrase:  The teams had qualified for the competition by winning their continents primary cup competition. Independiente qualified by winning the primary South American cup competition, the Copa Libertadores. They won the 1984 Copa Libertadores by defeating Brazilian team Grêmio 31 on points in the finals. Liverpool qualified by winning the primary European cup competition, the European Cup. They won the 198384 European Cup by beating Italian team A.S. Roma 42 in a penalty shoot-out after the match finished 