can someone walk me through the steps of finding first of the grammar? the red is the correct answer

Consider the following grammar (S is start symbol): SSCEAC A+ SF a DB E Bb IE C C I E I E 01-2. Which of the following is true? a. A Bayes b. A ac c. AB aaa yes d. A ae e. all of the above f. none of the above 03-4. What is FIRST (S)? { E, c, e, f,a} No bord Q5-6. What is FOLLOW(S)? { c, e, f, a, $ } No bord