To test these claims , Jim Courier , a former champion who won 23 singles titles -LRB- including 4 Grand Slams -RRB- in the late 80 's and early 90 's , served , volleyed and hit crushing ground strokes with four new rackets at Tennisport Club in Long Island City , Queens .
Queens /location/location/contains Long Island City
Long Island City /location/neighborhood/neighborhood_of Queens
TO VB DT NNS , NNP NNP , DT JJ NN WP VBD CD NNS NNS -LRB- VBG CD NNP NNS -RRB- IN DT JJ CD POS CC JJ CD POS , VBD , VBD CC VBD VBG NN NNS IN CD JJ NNS IN NNP NNP IN NNP NNP NNP , NNP .