Different sets of custom fields for each group

Ability to set different sets of custom fields for each group.
Example:
For Group - Friends,
We can choose Custom Field Set:
(1) Year we met
(2) Favorite food
(3) Favorite music
(4) Favorite sport
For Group - Work Contacts,
We can choose Custom Field Set:
(1) Introducer
(2) Associated Business Unit
(3) Professional Qualification
(4) Association Memebership
And so on…