1 

     2 

     3 class YamsEntity(EntityType):

     4     if 'Blog' in defined_types and 'Article' in defined_types:

     5         ambiguous_relation = SubjectRelation(('Blog', 'Article'))

     6     if 'Blog' in defined_types:

     7         inlined_relation = SubjectRelation('Blog', cardinality='?*')

     8 

     9 class inlined_relation(RelationType):

    10     inlined = True

    11