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(ROOT (S (VP (VP (VB Describe)) (: :) (NP (NP (NNP ____________________________) (NNP ______________________________________________________________________) (NNP Crystal) (NNP Formation) (NNP Purpose)) (: :) (S (VP (TO To) (VP (VB demonstrate) (NP (NP (DT the) (JJ crystalline) (NN structure)) (VP (VBN found) (PP (IN in) (NP (JJ many) (NNS solids)))))))))) (. .)))
Describe: ____________________________ ______________________________________________________________________ Crystal Formation Purpose: To demonstrate the crystalline structure found in many solids.
(ROOT (S (NP (DT A) (NN mineral)) (VP (VBZ is) (VP (VBN described) (PP (IN as) (NP (NP (DT a) (JJ solid) (JJ natural) (NN material)) (PP (IN with) (NP (DT a) (NN crystal) (NN structure))))))) (. .)))