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5.4.5 Exer cises for Section 5.4 * Exercise 5.4.1: Consider the grammar SaSaSbS This grammar is ambiguous. Show in particular that the string aab has

5.4.5 Exer cises for Section 5.4 * Exercise 5.4.1: Consider the grammar SaSaSbS This grammar is ambiguous. Show in particular that the string aab has two: a) Parse trees. b) Leftmost derivations. c) Rightmost derivations

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