1.  The cat is NOT allowed in the house.

   2. Ok, the cat IS allowed in house, but only in CERTAIN ROOMS

 3. The cat is allowed in all rooms, but must stay off the
     furniture.

 4. The cat can get on the OLD furniture only.

 5.  Fine the cat is allowed on all furniture, but it is not
      allowed to sleep with the humans on the bed.

 6.  The cat can sleep ON the bed, but not under the covers.

 7.  The cat can sleep under the covers BY INVITATION ONLY.

 8.  The cat can sleep under the covers every night.

 9.  Humans must ask permission to sleep under the covers
      with the cat.