 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))))))))))))))) (. .)))
A young boy watched the sun go down and said the sun was sleepy.
( ( A ( young boy ) ) ( ( watched ( ( the sun ) ( ( ( go down ) and ) ( said ( ( the sun ) ( was sleepy ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ young) (NN boy)) (VP (VBD watched) (SBAR (S (NP (DT the) (NN sun)) (VP (VP (VBP go) (PRT (RP down))) (CC and) (VP (VBD said) (SBAR (S (NP (DT the) (NN sun)) (VP (VBD was) (ADJP (JJ sleepy)))))))))) (. .)))