3. Prove that the following CFG is ambiguous by finding a word with two different syntax trees,. s- SaSas |b 4. For each of the following words, determine if each word can be generated by the CFG. If so, draw its syntax tree. The CFG is: s> aS l asb X x> aXa|a The words to check are abaa and aaabb.

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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3. Prove that the following CFG is ambiguous by finding a word with two different syntax trees,.
s- SaSas |b
4. For each of the following words, determine if each word can be generated by the CFG. If so,
draw its syntax tree.
The CFG is:
s> aS.I ask | X|
x> aXa|a
The words to check are abaa and aaabb.
Transcribed Image Text:3. Prove that the following CFG is ambiguous by finding a word with two different syntax trees,. s- SaSas |b 4. For each of the following words, determine if each word can be generated by the CFG. If so, draw its syntax tree. The CFG is: s> aS.I ask | X| x> aXa|a The words to check are abaa and aaabb.
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