New Madeirans traded sugar, the era's dominant luxury item, with Britain and Flanders, and they proved skillful in the art of winemaking.
( ( ( ( ( ( New Madeirans ) ( ( traded ( ( ( sugar , ) ( ( the ( era 's ) ) ( dominant ( luxury item ) ) ) ) , ) ) ( with ( ( Britain and ) Flanders ) ) ) ) , ) and ) ( they ( ( proved skillful ) ( in ( ( the art ) ( of winemaking ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP New) (NNP Madeirans)) (VP (VBD traded) (NP (NP (NN sugar)) (, ,) (NP (NP (DT the) (NN era) (POS 's)) (JJ dominant) (NN luxury) (NN item)) (, ,)) (PP (IN with) (NP (NNP Britain) (CC and) (NNP Flanders))))) (, ,) (CC and) (S (NP (PRP they)) (VP (VBD proved) (NP (JJ skillful)) (PP (IN in) (NP (NP (DT the) (NN art)) (PP (IN of) (NP (NN winemaking))))))) (. .)))
Sugar was a luxury item.
( Sugar ( ( was ( a ( luxury item ) ) ) . ) )
(ROOT (S (NP (NNP Sugar)) (VP (VBD was) (NP (DT a) (NN luxury) (NN item))) (. .)))