Roommates

On Go, a program on CBC radio I heard a charming show about Roommates and how to sell yourself as a roommate.
This struck me as a fun way to introduce the idea of finding common ground. Here's my idea:

Take two very unlikely people, let's say:

Winston Churchill and Martha Stewart. Make them roommates. In your small group come up with a list of good things that would come about from such a partnership. How can each person benefit?

M.S. would be a marvellous cook and a cleaner.
W.C. is used to having someone cook and clean.
W.C. can get high profile guests to come to the home and that should amuse M.S.
W.C. has good manners on the whole.
M.S. should gain financially from this association.
M.S. could be surrounded by good legal advice.
W.C. could introduce M.S. into society and she could develop a line of home fashions for the Brits.

See how the game works. It is just a bit of fun, but really you are looking for the benefits of collaboration.