( ( ( Their ( conversational knowledge ) ) ( of ( science processes ) ) ) ( ( was minimal ) . ) )
(ROOT (S (NP (NP (PRP$ Their) (JJ conversational) (NN knowledge)) (PP (IN of) (NP (NN science) (NNS processes)))) (VP (VBD was) (ADJP (JJ minimal))) (. .)))
Their conversational knowledge of science processes was minimal.
(ROOT (S (NP (NP (DT The) (NN process)) (PP (IN for) (NP (VBG developing) (NN knowledge)))) (VP (VBZ is) (VP (VBN called) (NP (NN science)))) (. .)))