3)Consider the following CFG G over = {a, b, c, d): (r1) (r2) (r3) (r4) S Sa s-> dT T-C 3.11Show the right most derivation in order to recognize the following string: dbbcba (indicate the rule number next to each substitution) Is the string dbbcba syntactically correct? 3.2)Show the left most derivation in order to recognize the following string: dbbcba (indicate the rule number next to each substitution) 3.3) What can you conclude