1. Consider the grammar. SBAG AAb A-(CAB) A-C - BE C- C C- & where S, A, B, C and D are the non-terminals, S is the start symbol, and a, b,c,f,g,'(' and ) are the terminals. 1.1. FIRST sets. Do the following 1.1.1. Do an initialization pass by applying FIRST sets rules I and II. Show the resulting FIRST sets 1.1.2.Do one pass on the grammar rules in the order in which they are listed as follows. Foreach grammar rules, apply FIRST set rule III, then apply FIRST set rule IV then apply FIRST set rule V. Show the resulting FIRST sets after this one pass. 1.1.3.Show the final result of the calculation of the FIRST sets