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The next 3 questions pertain to the following grammar from the book. The string to test is aba. S→ XY X→ XA | a | b Y→AY|a A → a Question 1 Enter which variables can generate the following substrings of length 2 as found in stage 2 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., XY). If there are no variables that generate the substring, enter none. ab e ba + Question 2 Enter which variables can generate the following substrings of length 3 as found in stage 3 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none. a ba + ab a +

The next 3 questions pertain to the following grammar from the book. The string to test is aba. S→ XY X→ XA | a | b Y→AY|a A → a Question 1 Enter which variables can generate the following substrings of length 2 as found in stage 2 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., XY). If there are no variables that generate the substring, enter none. ab e ba + Question 2 Enter which variables can generate the following substrings of length 3 as found in stage 3 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none. a ba + ab a +

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 4 We will repeat parsing aba with the grammar used on the previous 3 questions for the next 3 questions, but filling in diagonals in a CYK table instead. Fill in the first diagonal (stage 1) in the CYK table for parsing aba (moving upward to the right). Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none.
Transcribed Image Text:Question 4 We will repeat parsing aba with the grammar used on the previous 3 questions for the next 3 questions, but filling in diagonals in a CYK table instead. Fill in the first diagonal (stage 1) in the CYK table for parsing aba (moving upward to the right). Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none.
The next 3 questions pertain to the following grammar from the book. The string to test is aba. S→ XY X→ XA | a | b Y→AY|a A→ a Question 1 Enter which variables can generate the following substrings of length 2 as found in stage 2 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., XY). If there are no variables that generate the substring, enter none. ab e ba e Question 2 Enter which variables can generate the following substrings of length 3 as found in stage 3 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none. a ba e ab a +
Transcribed Image Text:The next 3 questions pertain to the following grammar from the book. The string to test is aba. S→ XY X→ XA | a | b Y→AY|a A→ a Question 1 Enter which variables can generate the following substrings of length 2 as found in stage 2 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., XY). If there are no variables that generate the substring, enter none. ab e ba e Question 2 Enter which variables can generate the following substrings of length 3 as found in stage 3 of the CYK algorithm. Enter no spaces. Enter multiple variables separated by a comma in alphabetical order (e.g., X,Y). If there are no variables that generate the substring, enter none. a ba e ab a +
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