( ( Fatty acids ) ( ( can ( be ( ( ( classified ( ( ( by ( ( the lengths ) ( of ( the chains ) ) ) ) and ) ( by ( whether ( ( all ( of ( ( the ( ( available chemical ) bonds ) ) ( of ( the ( carbon atoms ) ) ) ) ) ) ( are occupied ) ) ) ) ) ) or ) ( saturated ( with ( hydrogen atoms ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Fatty) (NNS acids)) (VP (MD can) (VP (VB be) (VP (VP (VBN classified) (PP (PP (IN by) (NP (NP (DT the) (NNS lengths)) (PP (IN of) (NP (DT the) (NNS chains))))) (CC and) (PP (IN by) (SBAR (IN whether) (S (NP (NP (DT all)) (PP (IN of) (NP (NP (DT the) (ADJP (JJ available) (NN chemical)) (NNS bonds)) (PP (IN of) (NP (DT the) (NN carbon) (NNS atoms)))))) (VP (VBP are) (ADJP (VBN occupied)))))))) (CC or) (VP (VBN saturated) (PP (IN with) (NP (NN hydrogen) (NNS atoms))))))) (. .)))
Fatty acids can be classified by the lengths of the chains and by whether all of the available chemical bonds of the carbon atoms are occupied or saturated with hydrogen atoms.
(ROOT (S (NP (NNP Carbon) (NNS atoms)) (VP (VBP are) (VP (VBG bonded) (PP (TO to) (NP (NP (ADJP (RB as) (JJ many)) (NN hydrogen) (NNS atoms)) (ADJP (RB as) (JJ possible)))) (PP (IN in) (NP (JJ saturated) (NN fatty) (NNS acids))))) (. .)))