Answer Adaptation
   - With more sophisticated systems, the answers are more complex.
 
   - With our bank loan example, the answer was yes or no.
 
   - However, imagine a more sophisticated example, where the system
       proposed the interest rate or loan amount.
 
   - A good case could be retrieved, but the answer could be adapted 
       to suit the particular case.
 
   - As the case becomes more sophisticated, with more features, and
       more complex features, the case base will cover the space more
       sparsely.
 
   - As the answers become more sophisticated, the answers from
       the case base will need to be modifed to suit the new problem.