( ( ( Measurements - ) ( ( SI ( Base units ) ) ( -LRB- ( ( length ( , ( mass ( , temperature ) ) ) ) -RRB- ) ) ) ) . )
(ROOT (NP (NP (NNS Measurements)) (: -) (NP (NP (NNP SI) (NNP Base) (NNS units)) (PRN (-LRB- -LRB-) (NP (NN length) (, ,) (NN mass) (, ,) (NN temperature)) (-RRB- -RRB-))) (. .)))
Measurements- SI Base units (length, mass, temperature).
(ROOT (S (NP (NP (NNP Time)) (, ,) (NP (NN mass)) (, ,) (NP (NN length)) (, ,) (CC and) (NP (NN temperature))) (VP (VBP are) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (NP (NN base) (NNS units))))))) (. .)))