 Look, the sun is sleepy, going to bed,  said 2 1/2-year-old David while watching the sun disappear below the horizon at the end of a day at the beach.
( ( ( Look , ) ( ( the sun ) ( is sleepy ) ) ) ( , ( ( going ( to bed ) ) ( , ( ( said ( ( 2 1/2 - ) ( ( year-old David ) ( while ( ( watching ( the sun ) ) ( disappear ( below ( ( the horizon ) ( at ( ( the end ) ( of ( ( a day ) ( at ( the beach ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (S (VP (VB Look) (, ,) (S (NP (DT the) (NN sun)) (VP (VBZ is) (ADJP (JJ sleepy)))))) (, ,) (S (VP (VBG going) (PP (TO to) (NP (NN bed))))) (, ,) (VP (VBD said) (NP (NP (CD 2 1/2)) (: -) (NP (NP (JJ year-old) (NNP David)) (SBAR (IN while) (S (S (VP (VBG watching) (NP (DT the) (NN sun)))) (VP (VBP disappear) (PP (IN below) (NP (NP (DT the) (NN horizon)) (PP (IN at) (NP (NP (DT the) (NN end)) (PP (IN of) (NP (NP (DT a) (NN day)) (PP (IN at) (NP (DT the) (NN beach))))))))))))))) (. .)))
This is an example of how children view the world that they live in.
( This ( ( is ( ( an example ) ( of ( how ( children ( ( view ( the world ) ) ( that ( they ( live in ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (SBAR (WHADVP (WRB how)) (S (NP (NNS children)) (VP (VBP view) (NP (DT the) (NN world)) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP live) (PRT (RP in))))))))))) (. .)))