Arborescence/Examples

Examples of Arborescences

English Sentence

The parsing structure of a sentence in English can be presented as an arborescence in the following format:

$\begin {xy} \xymatrix@L + 2mu@ + 1em {

& & & \meta {sentence} \ar[dl] \ar[dr] \\ & & \meta {subject} \ar[d] & & \meta {predicate} \ar[dr] \\ & & \meta {noun \ phrase} \ar[dl] \ar[d] & & & \meta {verb \ phrase} \ar[dl] \ar[d] \\ & \meta {adjective} \ar[dl] & \meta {noun \ phrase} \ar[dl] \ar[d] & & \meta {verb} \ar[dl] & \meta {adverbial \ phrase} \ar[dl] \ar[d] \\ \mathtt {the} & \meta {adjective} \ar[dl] & \meta {noun \ phrase} \ar[dl] \ar[d] & \mathtt {jumps} & \meta {preposition} \ar[dl] & \meta {noun \ phrase} \ar[dl] \ar[d] \\ \mathtt {quick} & \meta {adjective} \ar[d] & \meta {noun \ phrase} \ar[d] & \mathtt {over} & \meta {adjective} \ar[dl] & \meta {noun \ phrase} \ar[dl] \ar[d]\\ & \mathtt {brown} & \meta {noun} \ar[d] & \mathtt {the} & \meta {adjective} \ar[d] & \meta {noun \ phrase} \ar[d]\\ & & \mathtt {fox} & & \mathtt {lazy} & \meta {noun} \ar[d] \\ & & & & & \mathtt {dog} } \end {xy}$