non_null


INSTANCE non_null#4;
	extracted_from = {explicit_attribute#290};
	description = "person.age must have a value (other than `indeterminate')";
	corresponds_to = {correspondence#2};
	attribute = explicit_attribute#290;
END_INSTANCE;

INSTANCE non_null#5;
	extracted_from = {explicit_attribute#291};
	description = "person.age must have a value (other than `indeterminate')";
	corresponds_to = {correspondence#2};
	attribute = explicit_attribute#291;
END_INSTANCE;