Alley public, although other commentators feel that the lack of alleys is a benefit to the quality of life of the city. Two notable alleys in the Greenwich Village neighborhood in Manhattan are MacDougal Alley and Washington Mews. The latter is a blind alley or "cul-de-sac". Greenwich Village also has a number of private alleys that lead to back houses, which can only be accessed by residents, including Grove Court, Patchin Place and Milligan Place, blind alleys. Patchin Place is notable for the writers who lived there. Shubert Alley is a long pedestrian alley at the heart of the Broadway theater
Phrase structure rules greatest constituent (i.e. the sentence) is reached. In this regard, theoretical syntax abandoned phrase structure rules long ago, although their importance for computational linguistics seems to remain intact. Phrase structure rules as they are commonly employed result in a view of sentence structure that is "constituency-based". Thus, grammars that employ phrase structure rules are "constituency grammars" (= phrase structure grammars), as opposed to "dependency grammars", which view sentence structure as "dependency-based". What this means is that for phrase structure rules to be applicable at all, one has to pursue a constituency-based understanding of sentence structure. The constituency relation is a