( ( ribosomal organelle ) ( ( ( associated ( with ( organelles ( of ( motility ( such ( as ( a ( flagellum ( Kupffer cells ) ) ) ) ) ) ) ) ) ) ( ( the ( reticuloendothelial cells ) ) ( of ( the liver ) ) ) ) . ) )
(ROOT (S (NP (JJ ribosomal) (NN organelle)) (VP (VBN associated) (PP (IN with) (NP (NP (NNS organelles)) (PP (IN of) (NP (NP (NN motility)) (PP (JJ such) (IN as) (NP (DT a) (NNP flagellum) (NNP Kupffer) (NNS cells))))))) (NP (NP (DT the) (JJ reticuloendothelial) (NNS cells)) (PP (IN of) (NP (DT the) (NN liver))))) (. .)))
ribosomal organelle associated with organelles of motility such as a flagellum Kupffer cells the reticuloendothelial cells of the liver .
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (DT the) (NN sperm) (NN cell)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN cell)) (PP (IN with) (NP (DT the) (NN flagella) (NN structure))) (SBAR (WHNP (WDT that)) (S (VP (VBZ enables) (ADVP (RB motility))))))) (. .)))