/-----------\             /-------------------\
 |  Company  |--@(has-N)-> | Company::Division |
 \-----------/             \-------------------/
      /|\                          /|\
       |                            | (is-a)
       |                            |
       |                   /- - - - - - - - - -\
       | (is-a)             AcmeLtd::Division ?
       |                   \- - - - - - - - - -/
       |                           /|\
       |                            | (is-a)
       |                            |
 /-----------\               /-------------\
 |  AcmeLtd  |-----create--> | AcmeLtd::IT |
 \-----------/               \-------------/