please provide clear (step-by-step) explanations andstrictly follow the given sequence (1-2-3) in cleaning the CFGs:1 - ε-productions (first)2 - useless symbols (second)3 - unit productions (third) 1. Please strictly follow sequence (1-2-3) in cleaning the CFGS:1 - E-productions (first)2 - useless symbols (second)3 - unit productions (third)a) S-> BC, A -> a | b, B -> ɛ, C -> DE | ɛ, D -> BAB, E -> cb) S-> BC | DaD | b, A -> aD | bA | c, B -> Cb, C-> aB, D -> bS | ɛc) S-> A | B, A -> aA | aC, B -> bB | bC, C -> cdfF, D -> g | ɛ, E -> h | ɛ, F -> DE

a) 1. There is two null productions B→ε and C→ε removing null variable C, we get…

1. Please strictly follow sequence (1-2-3) in cleaning the CFGS: 1- e-productions (first) 2 - useless symbols (second) 3 - unit productions (third) a) S-> BC, A -> a | b, B -> ɛ, C -> DE | ɛ, D -> BAB, E -> c b) S-> BC | DaD | b, A -> aD | bA | c, B -> Cb, C -> aB, D -> bS | ɛ c) S-> A | B, A-> aA | aC, B -> bB | bC, C -> cdfF, D -> g | ɛ, E ->h | ɛ, F-> DE

Database Systems: Design, Implementation, & Management

12th Edition

ISBN:9781305627482

Author:Carlos Coronel, Steven Morris

Publisher:Carlos Coronel, Steven Morris

Chapter2: Data Models

Section: Chapter Questions

Problem 12P

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