Alley arcade, walk, steps, yard, terrace, and close. While both a court and close are usually defined as blind alleys, or "cul-de-sacs", several in London are throughways, for example Cavendish Court, a narrow passage leading from Houndsditch into Devonshire Square, and Angel Court, which links King Street and Pall Mall. Bartholomew Close is a narrow winding lane which can be called an alley by virtue of its narrowness, and because through-access requires the use of passages and courts between Little Britain, and Long Lane and Aldersgate Street. In an old neighbourhood of the City of London, Exchange Alley or Change Alley
Phrase structure rules phrase structure rules is therefore a "constituency grammar"; as such, it stands in contrast to "dependency grammars", which are based on the dependency relation. Phrase structure rules are usually of the following form: meaning that the constituent formula_2 is separated into the two subconstituents formula_3 and formula_4. Some examples for English are as follows: The first rule reads: A S (sentence) consists of a NP (noun phrase) followed by a VP (verb phrase). The second rule reads: A noun phrase consists of an optional Det (determiner) followed by a N (noun). The third rule means that a N (noun) can