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The symmetric (non-peripheral) tree for N-level NP appositives, is
anchored by comma. The modifier is typically an address. It is clear
from examples such as ((509)) that these are attached at N, rather
than NP. Carrier is not an appositive on Menlo Park, as it
would be if these were simply stacked appositives. Rather, Calif. modifies Menlo Park, and that entire complex is
compounded with carrier, as shown in the correct derivation in
Figure 24.2. Because this distinction is less clear when the
modifier is peripheral (e.g. ends the sentence), and it would be
difficult to distinguish between NP and N attachment, we do not
currently allow a peripheral N-level attachment.
(508)0(508
- (509)
- An official at Consolidated Freightways Inc., a Menlo Park, Calif., less-than-truckload carrier , said...
(509)0(509
- (510)
- Rep. Ronnie Flippo (D., Ala.), of the delegation, says...
- {An N-level modifier, using the $\beta$nPUnx tree
XTAG Project
http://www.cis.upenn.edu/~xtag