( ( ( The satisfaction ) ( which ( ( the ( human being ) ) ( ( derives ( from ( external ( physical objects ) ) ) ) ( by ( ( ( ( ( means ( of ( his senses ) ) ) , ) ( ( ( ( ( ( ( the eyes ) , ) ears ) , ) ( sense ( of taste ) ) ) , ) ( sense ( of touch ) ) ) ) and ) ( ( the sense ) ( of smell ) ) ) ) ) ) ) ) ; )
(ROOT (NP (NP (NP (DT The) (NN satisfaction)) (SBAR (WHNP (WDT which)) (S (NP (DT the) (JJ human) (NN being)) (VP (VBZ derives) (PP (IN from) (NP (JJ external) (JJ physical) (NNS objects))) (PP (IN by) (NP (NP (NP (NNS means)) (PP (IN of) (NP (PRP$ his) (NNS senses)))) (, ,) (NP (NP (DT the) (NNS eyes)) (, ,) (NP (NNS ears)) (, ,) (NP (NP (NN sense)) (PP (IN of) (NP (NN taste)))) (, ,) (NP (NP (NN sense)) (PP (IN of) (NP (NN touch))))) (CC and) (NP (NP (DT the) (NN sense)) (PP (IN of) (NP (NN smell)))))))))) (: ;)))
The satisfaction which the human being derives from external physical  objects by means of his senses, the eyes, ears, sense of taste, sense of touch and the sense of smell;
(ROOT (S (NP (DT The) (NNS ears)) (VP (VBP are) (NP (NP (DT an) (JJ external) (NN feature)) (PP (IN in) (NP (JJ human) (NNS beings))) (SBAR (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NN balance))))))))) (. .)))