QUESTION 4 Given is an NFA below. In the context of converting this NFA to a regular expression, follow the following steps 2 start . Step 1. insert a new start state S and add an edge (S, 1) labeled . Step 2 insert a new final state f and add two edges (21) and (4,f) both labeled Step 3: Remove state 3 Step 4: Remove state 6 Step 5: Remove state 2 Step 6: Remove state 5 Step 7: Remove state 4 Step 8: Remove State 1 What is the edge from 4 to 4 right after Step 6? (ba)* (ab)* O aba