( ( ( Explain ( in terms ) ) ( of ( the ( kinetic ( molecular theory ) ) ) ) ) . )
(ROOT (NP (NP (NNP Explain)) (PP (IN in) (NP (NNS terms))) (PP (IN of) (NP (DT the) (JJ kinetic) (JJ molecular) (NN theory))) (. .)))
Explain in terms of the kinetic molecular theory.
(ROOT (S (NP (NP (DT The) (NN behavior)) (PP (IN of) (NP (JJ ideal) (NNS gases)))) (VP (VBZ is) (VP (VBN explained) (PP (IN by) (NP (JJ kinetic) (JJ molecular) (NN theory))))) (. .)))
The behavior of ideal gases is explained by kinetic molecular theory.