Something

A=["a","b"];
B=[0,1];
C=["c","d"];
D=[2,3];
E=["e","f"];
publicvariable "A";
publicvariable "B";
publicvariable "c";
publicvariable "D";
publicvariable "E";

hint format["%1", A select 0];
sleep 1;
hint format["%1", B select 1];
sleep 1;
hint format["%1", C select 0];
sleep 1;
hint format["%1", D select 1];
sleep 1;
hint format["%1", E select 0];

A = B + C + D + E ;
sleep 1;
hint format["%1", A];