( ( ( ( ( ( ( ( Complex and ) ( remarkable organs ) ) , ) ( ( the ( eyes work ) ) ( in ( concert ( with ( the ( brain ( to ( produce vision ) ) ) ) ) ) ) ) ) , ) ( allowing ( us ( to ( experience ( ( the ( ( beauty and ) variety ) ) ( of ( the ( physical world ) ) ) ) ) ) ) ) ) ( around us ) ) . )
(ROOT (NP (NP (NP (JJ Complex)) (CC and) (NP (JJ remarkable) (NNS organs))) (, ,) (NP (NP (DT the) (NNS eyes) (NN work)) (PP (IN in) (NP (NP (NN concert)) (PP (IN with) (NP (DT the) (NN brain) (S (VP (TO to) (VP (VB produce) (NP (NN vision)))))))))) (, ,) (VP (VBG allowing) (S (NP (PRP us)) (VP (TO to) (VP (VB experience) (NP (NP (DT the) (NN beauty) (CC and) (NN variety)) (PP (IN of) (NP (DT the) (JJ physical) (NN world)))))))) (PP (IN around) (NP (PRP us))) (. .)))
Complex and remarkable organs, the eyes work in concert with the brain to produce vision, allowing us to experience the beauty and variety of the physical world around us.
(ROOT (S (NP (NNS Brain) (CC and) (NNS eyes)) (VP (VBP are) (S (NP (DT the) (NNS organs)) (VP (VB work) (PRT (RP together)) (S (VP (TO to) (VP (VB allow) (S (NP (PRP us)) (VP (TO to) (VP (VB see)))))))))) (. .)))