( ( Describe ( ( the nature ) ( of ( the ( scientific enterprise ) ) ) ) ) . )
(ROOT (S (VP (VB Describe) (NP (NP (DT the) (NN nature)) (PP (IN of) (NP (DT the) (JJ scientific) (NN enterprise))))) (. .)))
Describe the nature of the scientific enterprise.
(ROOT (S (NP (NP (DT A) (NN statement)) (SBAR (WHNP (WDT that)) (S (VP (VBZ describes) (SBAR (WHNP (WP what)) (S (ADVP (RB always)) (VP (VBZ happens) (PP (IN under) (NP (NP (JJ certain) (NNS conditions)) (PP (IN in) (NP (NN nature)))))))))))) (VP (VBZ is) (ADVP (RB also)) (VP (VBN known) (PP (IN as) (NP (JJ scientific) (NN law))))) (. .)))