( ( The judge ) ( ( ( explains ( ( some ( general principles ) ) ( of law ) ) ) ( to them ) ) . ) )
(ROOT (S (NP (DT The) (NN judge)) (VP (VBZ explains) (NP (NP (DT some) (JJ general) (NNS principles)) (PP (IN of) (NP (NN law)))) (PP (TO to) (NP (PRP them)))) (. .)))
The judge explains some general principles of law to them.
(ROOT (S (NP (NP (NNP Archimedes) (POS ')) (NN law)) (VP (VBZ explains) (NP (SBAR (WHADVP (WRB why)) (S (NP (DT some) (NNS objects)) (VP (VBP float)))) (CC and) (NP (DT some) (NN sink))))))