Question: solve 3. Here is a parse tree that uses some unknown grammar G. S 5 b A a B a A a b A a

solve

3. Here is a parse tree that uses some unknown grammar G. S 5 b A a B a A a b A a Which of the following productions is surely one of those for grammar G? O a) S -B O b) B- b O c) B - bA O d) A - SB

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The first three questions refer to the following parse tree. S B a S 00 a b ON Question 1: The parse tree above represents a nightmost derivation according to the grammar s = AB, A = a5|a, B b, find...

help me in 3 last question: question j k L Problem 4 (110 points). Consider the following CFG with the eight terminals: true, false, A, V, !, ==, (, and ). expr true false expr A exprecpr V expr !...

Need a working C++ program that given grammar rules is able to build a recursive descent parser to build a parse tree. The program should also be able to perform a post order traversal of the parse...

Question 2: Can the following strings be generated by drawing parse tree for each using the given CFG: S aSB S aB S B B b Strings are: w1=abb w2=abab w3=aabb w4=abba w5=aaaabbb Question 3: Using the...

4. Consider the following augmented grammar. S' -> S S -> V = E ; -> E ; V -> * E -> i E -> V a) Construct the DFA of sets of LR( 1) items for this grammar. b) Construct the canonical LR( 1) parsing...

dee complete please help Complexity Theory (a) Defifine the set of Boolean expressions 2CNF and the language 2SAT over them. (b) For a Boolean expression in 2CNF, let G() be the directed graph with...

Describe, in detail, how the heapsort algorithm works. [10 marks] Show that the worst-case cost of heapsort is O(n log n). [6 marks] Would it be possible to implement a variant of heapsort based on a...

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

This question concerns lexical grammars. (a) Tree Adjoining Grammars contain two types of elementary tree. (i) What are these trees called? [1 mark] (ii) If one were building a grammar for English...

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

A company uses the percent of sales method to determine its bad debts expense. At the end of the current year, the company's unadjusted trial balance reported the following selected amounts 349,000...

People become confused about basic libertiesrights that are equally distributedand other "rights" where people get various amounts, like education or health care. A difficult question for a community...

The country of Mali has a Gini coefficient of 0.77. What does this mean about income inequality in Mali? Nothing can be inferred from the income inequality data. Income is equally distributed. Income...

Write a paper on human relations: interpersonal job-oriented skills