Template output -
Choices are:
[% FOREACH type IN data.keys.sort %]
[% FOREACH company IN data.$type.keys.sort %]
[% FOREACH name IN data.$type.$company.keys.sort %]
[% FOREACH choice IN data.$type.$company.$name.choice_list %]
[% data.$type.$company.$name.choice_list.$choice %]
[% END %]
[% END %]
[% END %]
[% END %]