Please give example a string length at least 5 using regular language below and give simple description by expression. Please do it detail by detail: 1. (b ( a U b) + a) u (a( b U a)+b) 2. (b U a)*b(b U a)(b U a) 3. (a) u ((b*a*)*aa) 4. ((b U a)(a U b)b)+ 5. (b(b U a) U ((a U aba)*(0 )+a*b*a) u (a( U *) *(b U a)) Note: 0 empty set & epsilon