( ( ( ( ( Scientifically ( classified ( as fungus ) ) ) ( , ( ( these ( yeast organisms ) ) ( ( ( are ( free ( of chlorophyll ) ) ) and ) ( therefore ( ( can not ) ( ( by photosynthesis ) ( ( make ( their ( own food ) ) ) ( from sunlight ) ) ) ) ) ) ) ) ) ; ) ( hence ( they ( depend ( on ( ( their host ) ( for nourishment ) ) ) ) ) ) ) . )
(ROOT (S (S (S (ADJP (RB Scientifically) (VBN classified) (PP (IN as) (NP (NN fungus))))) (, ,) (NP (DT these) (NN yeast) (NNS organisms)) (VP (VP (VBP are) (ADJP (JJ free) (PP (IN of) (NP (NN chlorophyll))))) (CC and) (VP (ADVP (RB therefore)) (MD can) (RB not) (VP (PP (IN by) (NP (NN photosynthesis))) (VB make) (NP (PRP$ their) (JJ own) (NN food)) (PP (IN from) (NP (NN sunlight))))))) (: ;) (S (ADVP (RB hence)) (NP (PRP they)) (VP (VBP depend) (PP (IN on) (NP (NP (PRP$ their) (NN host)) (PP (IN for) (NP (NN nourishment))))))) (. .)))
Scientifically classified as fungus, these yeast organisms are free of         chlorophyll and therefore cannot by photosynthesis make their own food from         sunlight; hence they depend on their host for nourishment.
(ROOT (S (NP (NNP Fungi)) (VP (VBP are) (NP (NP (JJ eukaryotic) (NNS organisms)) (SBAR (WHNP (WDT that)) (S (VP (VP (MD can) (RB not) (VP (VB make) (NP (PRP$ their) (JJ own) (NN food)))) (CC and) (VP (VBP do) (RB not) (ADVP (RB technically)) (VP (VB eat)))))))) (. .)))