( ( keep ( in mind ) ) ( that ( ( the ( lower contours ) ) ( ( can strongly ) ( influence ( ( the ( overall shape ) ) ( of ( ( ( ( the ( three ( - dimensional ) ) ) -LRB- ) 3 ) - ) ) ) ) ) ) ) )
(ROOT (S (VP (VB keep) (PP (IN in) (NP (NN mind))) (SBAR (IN that) (S (NP (DT the) (JJR lower) (NNS contours)) (VP (MD can) (ADVP (RB strongly)) (VP (VB influence) (NP (NP (DT the) (JJ overall) (NN shape)) (PP (IN of) (NP (NP (DT the) (CD three) (NN -) (NN dimensional)) (-LRB- -LRB-) (NP (CD 3)) (: -)))))))))))
keep in mind that the lower contours can strongly influence the overall shape of the three- dimensional (3-
(ROOT (S (NP (NNP Contour) (NNS lines)) (VP (VBP show) (NP (NP (DT the) (JJ three-dimensional) (NN shape)) (PP (IN of) (NP (NN land))))) (. .)))