( It ( ( is ( composed ( of ( ( ( ( ( ( ( ( an O ) - ) ( polysaccharide chain ) ) , ) ( a ( core sugar ) ) ) , ) and ) ( a ( lipophilic ( fatty acid ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (NP (DT an) (NNP O)) (: -) (NP (JJ polysaccharide) (NN chain)) (, ,) (NP (DT a) (JJ core) (NN sugar)) (, ,) (CC and) (NP (DT a) (JJ lipophilic) (NN fatty) (NN acid)))))) (. .)))
It is composed of an O -polysaccharide chain, a core sugar, and a lipophilic fatty acid.
(ROOT (S (NP (NNS Polysaccharides)) (VP (VBP are) (NP (NP (NNS polymers)) (VP (VBN composed) (PP (IN of) (NP (NP (JJ many) (NN sugar) (NN building) (NNS blocks)) (VP (VBN called))))))) (. .)))