Lexikon
define Lexikon [ <CLASS> FL= 1 </CLASS> P i n g u i n | <CLASS> FL= 2 </CLASS> E i s b ä r ];
define Flex1 [ "&numb" "=sg" | e "&numb" "=pl" ];
define Flex2 [ "&numb" "=sg" | e n "&numb" "=pl" ];
define Nouns [ [Lexikon .o. [?* FL= 1 ?*]] Flex1 | [Lexikon .o. [?* FL= 2 ?*]] Flex2 ];
<CLASS>FL=1</CLASS>Pinguin&numb=sg <CLASS>FL=1</CLASS>Pinguine&numb=pl <CLASS>FL=2</CLASS>Eisbär&numb=sg <CLASS>FL=2</CLASS>Eisbären&numb=pl