( ( Explain ( that ( ( ( ( ( ( Pascal 's ) Law ) , ) ( ( Boyle 's ) Law ) ) and ) ( ( Archimedes ' ) Principle ) ) ) ) ( ( are ( illustrated ( in ( the ( Cartesian Diver ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Explain)) (PP (IN that) (NP (NP (NP (NNP Pascal) (POS 's)) (NN Law)) (, ,) (NP (NP (NNP Boyle) (POS 's)) (NN Law)) (CC and) (NP (NP (NNP Archimedes) (POS ')) (NNP Principle))))) (VP (VBP are) (VP (VBN illustrated) (PP (IN in) (NP (DT the) (JJ Cartesian) (NN Diver))))) (. .)))
Explain that Pascal's Law, Boyle's Law and Archimedes' Principle are illustrated in the Cartesian Diver.
(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))))))