( Clouds ( ( are ( produced ( from ( large-scale ( condensation processes ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Clouds)) (VP (VBP are) (VP (VBN produced) (PP (IN from) (NP (JJ large-scale) (NN condensation) (NNS processes))))) (. .)))
Clouds are produced from large-scale condensation processes.
(ROOT (S (NP (NNP Condensation)) (VP (MD must) (VP (VB occur) (PP (IN for) (NP (NNS clouds))) (S (VP (TO to) (VP (VB form)))))) (. .)))