 a short article about someone or something in a dictionary or encyclopedia,.
( ( ( ( a ( short article ) ) ( about ( ( someone or ) something ) ) ) ( in ( ( ( ( a dictionary ) or ) encyclopedia ) , ) ) ) . )
(ROOT (NP (NP (DT a) (JJ short) (NN article)) (PP (IN about) (NP (NN someone) (CC or) (NN something))) (PP (IN in) (NP (NP (DT a) (NN dictionary)) (CC or) (NP (NN encyclopedia)) (, ,))) (. .)))
A long book about abstract ideas about nothing in particular.
( ( ( ( ( A ( long book ) ) ( about ( abstract ideas ) ) ) ( about nothing ) ) ( in particular ) ) . )
(ROOT (NP (NP (DT A) (JJ long) (NN book)) (PP (IN about) (NP (JJ abstract) (NNS ideas))) (PP (IN about) (NP (NN nothing))) (PP (IN in) (NP (NN particular))) (. .)))