A funny place for a piece of brown paper, I mused. 
( ( ( A ( funny place ) ) ( for ( ( a piece ) ( of ( brown paper ) ) ) ) ) ( , ( I ( mused . ) ) ) )
(ROOT (S (S (NP (NP (DT A) (JJ funny) (NN place)) (PP (IN for) (NP (NP (DT a) (NN piece)) (PP (IN of) (NP (JJ brown) (NN paper))))))) (, ,) (NP (PRP I)) (VP (VBD mused)) (. .)))
I looked down at my desk, which was a mess, as usual, and had some white and brown papers on it.
( I ( ( ( ( ( looked down ) ( at ( ( ( my desk ) , ) ( which ( was ( ( ( ( a mess ) , ) ( as usual ) ) , ) ) ) ) ) ) and ) ( had ( ( some ( white ( and ( brown papers ) ) ) ) ( on it ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VP (VBD looked) (PRT (RP down)) (PP (IN at) (NP (NP (PRP$ my) (NN desk)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBD was) (NP (NP (DT a) (NN mess)) (, ,) (ADJP (RB as) (JJ usual)) (, ,)))))))) (CC and) (VP (VBD had) (NP (NP (DT some) (JJ white) (CC and) (JJ brown) (NNS papers)) (PP (IN on) (NP (PRP it)))))) (. .)))