onstraints:

o----------------------------------------------------------------------
|
| college
|  sharks
|   30's
|    married
|     bookie
|      ned
|     burglar
|      don
|     pusher
|      phil
|      ol
|
o----------------------------------------------------------------------

From this we discover that all college Sharks are 30-something and married.
Further, we have a complete listing of their names broken down by occupation,
as no doubt all of them will be, eventually.

Reference.

| McClelland