1. LING/C SC/PSYC 438/538 Lecture 26 Sandiway Fong

2. Administrivia 538 Presentations – Send me your choices if you haven’t already Thanksgiving Holiday – No lecture this Wednesday

3. 538 Presentations presenterChapterTopic Jameson Watts16Complexity and Human Processing Zachary Brook17Meaning Representation Jeff Jenkins24.2Dialogue Systems Matthew Pickard24.5Information-State and Dialogue Acts

4. Grammar abc.pl a definite clause grammar for {a n b n c n |n≥1} Basic grammar generates a + b + c + Extra argument imposes equal number restriction parse a(a(..a..)) nests as many a’s as seen in the input i.e. it counts the number of a’s parse is then passed to the b’s and c’s, counting off the same number of b’s and c’s as a’s Extra argument imposes equal number restriction parse a(a(..a..)) nests as many a’s as seen in the input i.e. it counts the number of a’s parse is then passed to the b’s and c’s, counting off the same number of b’s and c’s as a’s

5. Grammar english.pl VP  V NP passive be rule progressive be rule

6. Grammar english.pl

8. Modifying english.pl [Background: chapter 12 of JM contains many grammar rules] Subject of passive in by-phrase – the sandwich was eaten by John Questions – Did John eat the sandwich? – Is the sandwich eaten by John? – Was John eating the sandwich? – Who ate the sandwich? – What did John eat?(do-support) – Which sandwich did John eat? – Why did John eat the sandwich?