( ( Despite ( these difficulties ) ) ( , ( ( the ( human ( visual system ) ) ) ( ( can ( reconstruct ( ( the ( original shape ) ) ( of ( ( the object ) ( in ( three dimensions ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Despite) (NP (DT these) (NNS difficulties))) (, ,) (NP (DT the) (JJ human) (JJ visual) (NN system)) (VP (MD can) (VP (VB reconstruct) (NP (NP (DT the) (JJ original) (NN shape)) (PP (IN of) (NP (NP (DT the) (NN object)) (PP (IN in) (NP (CD three) (NNS dimensions)))))))) (. .)))
Despite these difficulties, the human visual system can reconstruct the original shape of the object in three dimensions.
(ROOT (S (NP (NNS Humans)) (VP (MD can) (VP (VB see) (PP (IN in) (NP (CD three) (NNS dimensions))))) (. .)))