%externals SN URL
%language EN
%baselanguage EN
%inverse NT BT
%inverse RT RT
%inverse USE UF
%inverse UF USE
%inverse BT NT
%description NT Narrower term
%description SN Scope note
%description RT Related term
%description USE Synonym
%description TT Top term
%description UF Quasi synonym
%description IS-A ...
%description BT Broader term
lion
Carnivora
BT Felis
house_cat
NT Felis
Lucky
IS-A lion
Felis
NT Carnivora
BT house_cat
the_lion_king
IS-A lion